document_diagnostic.go: add publish diagnostics notification types and tests

capabilities_client.go

@@ -10,19 +10,772 @@ type ShowDocumentClientCapabilities struct {
 	Support bool `json:"support"`
 }
 
+// ShowMessageRequestClientCapabilities - Capabilities for `window/showMessageRequest`.
+//
+// @since 3.16.0
+type ShowMessageRequestClientCapabilities struct {
+	// Capabilities specific to the message action item.
+	MessageActionItem *ShowMessageRequestClientCapabilitiesMessageActionItem `json:"messageActionItem,omitempty"`
+}
+
+// ShowMessageRequestClientCapabilitiesMessageActionItem - Capabilities specific to message action items.
+//
+// @since 3.16.0
+type ShowMessageRequestClientCapabilitiesMessageActionItem struct {
+	// Whether the client supports additional attributes that are preserved
+	// and sent back to the server in the response.
+	AdditionalPropertiesSupport bool `json:"additionalPropertiesSupport,omitempty"`
+}
+
 // WindowClientCapabilities - Client capabilities for window features.
 //
 // See https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#windowClientCapabilities
 type WindowClientCapabilities struct {
+	// Whether client supports handling progress notifications from the server.
+	WorkDoneProgress bool `json:"workDoneProgress,omitempty"`
+
+	// Capabilities for the show message request.
+	//
+	// @since 3.16.0
+	ShowMessage *ShowMessageRequestClientCapabilities `json:"showMessage,omitempty"`
+
 	// It indicates whether the client supports the `window/showDocument` request.
 	//
 	// @since 3.16.0
 	ShowDocument *ShowDocumentClientCapabilities `json:"showDocument,omitempty"`
 }
 
+// ResourceOperationKind - Resource operation kinds in workspace edits.
+type ResourceOperationKind string
+
+const (
+	// ResourceOperationCreate indicates support for creating files/folders.
+	ResourceOperationCreate ResourceOperationKind = "create"
+	// ResourceOperationRename indicates support for renaming files/folders.
+	ResourceOperationRename ResourceOperationKind = "rename"
+	// ResourceOperationDelete indicates support for deleting files/folders.
+	ResourceOperationDelete ResourceOperationKind = "delete"
+)
+
+// FailureHandlingKind - Strategies for handling workspace edit failures.
+type FailureHandlingKind string
+
+const (
+	// FailureHandlingAbort applies the edit up to the first failure and aborts.
+	FailureHandlingAbort FailureHandlingKind = "abort"
+	// FailureHandlingTransactional applies all edits transactionally.
+	FailureHandlingTransactional FailureHandlingKind = "transactional"
+	// FailureHandlingTextOnlyTransactional applies text edits transactionally.
+	FailureHandlingTextOnlyTransactional FailureHandlingKind = "textOnlyTransactional"
+	// FailureHandlingUndo rolls back already-applied edits on failure.
+	FailureHandlingUndo FailureHandlingKind = "undo"
+)
+
+// DynamicRegistrationClientCapabilities captures capabilities with `dynamicRegistration`.
+type DynamicRegistrationClientCapabilities struct {
+	// DynamicRegistration indicates whether the client supports dynamic
+	// registration for the corresponding request/notification.
+	DynamicRegistration bool `json:"dynamicRegistration,omitempty"`
+}
+
+type (
+	DidChangeConfigurationClientCapabilities   = DynamicRegistrationClientCapabilities
+	DidChangeWatchedFilesClientCapabilities    = DynamicRegistrationClientCapabilities
+	ExecuteCommandClientCapabilities           = DynamicRegistrationClientCapabilities
+	ReferenceClientCapabilities                = DynamicRegistrationClientCapabilities
+	DocumentHighlightClientCapabilities        = DynamicRegistrationClientCapabilities
+	CodeLensClientCapabilities                 = DynamicRegistrationClientCapabilities
+	DocumentColorClientCapabilities            = DynamicRegistrationClientCapabilities
+	DocumentFormattingClientCapabilities       = DynamicRegistrationClientCapabilities
+	DocumentRangeFormattingClientCapabilities  = DynamicRegistrationClientCapabilities
+	DocumentOnTypeFormattingClientCapabilities = DynamicRegistrationClientCapabilities
+	SelectionRangeClientCapabilities           = DynamicRegistrationClientCapabilities
+	CallHierarchyClientCapabilities            = DynamicRegistrationClientCapabilities
+	LinkedEditingRangeClientCapabilities       = DynamicRegistrationClientCapabilities
+	MonikerClientCapabilities                  = DynamicRegistrationClientCapabilities
+	TypeHierarchyClientCapabilities            = DynamicRegistrationClientCapabilities
+	InlineValueClientCapabilities              = DynamicRegistrationClientCapabilities
+)
+
+// WorkspaceEditClientCapabilities - Client capabilities for workspace edits.
+type WorkspaceEditClientCapabilities struct {
+	// DocumentChanges indicates support for versioned document changes.
+	DocumentChanges bool `json:"documentChanges,omitempty"`
+	// ResourceOperations is the set of resource operations supported in
+	// `WorkspaceEdit.documentChanges`.
+	ResourceOperations []ResourceOperationKind `json:"resourceOperations,omitempty"`
+	// FailureHandling describes how the client handles failures in
+	// workspace edit application.
+	FailureHandling FailureHandlingKind `json:"failureHandling,omitempty"`
+	// NormalizesLineEndings indicates whether the client normalizes line endings
+	// when applying text edits.
+	NormalizesLineEndings bool `json:"normalizesLineEndings,omitempty"`
+	// ChangeAnnotationSupport describes support for change annotations in
+	// workspace edits.
+	ChangeAnnotationSupport *WorkspaceEditClientCapabilitiesChangeAnnotationSupport `json:"changeAnnotationSupport,omitempty"`
+}
+
+// WorkspaceEditClientCapabilitiesChangeAnnotationSupport - Capabilities for change annotations.
+type WorkspaceEditClientCapabilitiesChangeAnnotationSupport struct {
+	// GroupsOnLabel indicates whether the client can present change annotations
+	// grouped by their label.
+	GroupsOnLabel bool `json:"groupsOnLabel,omitempty"`
+}
+
+// WorkspaceSymbolClientCapabilitiesSymbolKind - Supported workspace symbol kinds.
+type WorkspaceSymbolClientCapabilitiesSymbolKind struct {
+	// ValueSet is the symbol kind values the client supports.
+	ValueSet []uint32 `json:"valueSet,omitempty"`
+}
+
+// WorkspaceSymbolClientCapabilitiesTagSupport - Supported workspace symbol tags.
+type WorkspaceSymbolClientCapabilitiesTagSupport struct {
+	// ValueSet is the symbol tag values the client supports.
+	ValueSet []uint32 `json:"valueSet,omitempty"`
+}
+
+// WorkspaceSymbolClientCapabilities - Workspace symbol capabilities.
+type WorkspaceSymbolClientCapabilities struct {
+	// DynamicRegistration indicates whether workspace symbol support can be
+	// dynamically registered.
+	DynamicRegistration bool `json:"dynamicRegistration,omitempty"`
+	// SymbolKind describes the symbol kinds the client supports.
+	SymbolKind *WorkspaceSymbolClientCapabilitiesSymbolKind `json:"symbolKind,omitempty"`
+	// TagSupport describes supported `SymbolTag` values.
+	TagSupport *WorkspaceSymbolClientCapabilitiesTagSupport `json:"tagSupport,omitempty"`
+	// ResolveSupport lists properties that can be resolved lazily.
+	ResolveSupport *WorkspaceSymbolClientCapabilitiesResolveSupport `json:"resolveSupport,omitempty"`
+}
+
+// WorkspaceSymbolClientCapabilitiesResolveSupport - Workspace symbol resolve support capabilities.
+type WorkspaceSymbolClientCapabilitiesResolveSupport struct {
+	// Properties are workspace symbol properties that can be resolved lazily.
+	Properties []string `json:"properties,omitempty"`
+}
+
+// FileOperationClientCapabilities - File operation capabilities.
+//
+// @since 3.16.0
+type FileOperationClientCapabilities struct {
+	// DidCreate indicates support for `workspace/didCreateFiles` notifications.
+	DidCreate bool `json:"didCreate,omitempty"`
+	// WillCreate indicates support for `workspace/willCreateFiles` requests.
+	WillCreate bool `json:"willCreate,omitempty"`
+	// DidRename indicates support for `workspace/didRenameFiles` notifications.
+	DidRename bool `json:"didRename,omitempty"`
+	// WillRename indicates support for `workspace/willRenameFiles` requests.
+	WillRename bool `json:"willRename,omitempty"`
+	// DidDelete indicates support for `workspace/didDeleteFiles` notifications.
+	DidDelete bool `json:"didDelete,omitempty"`
+	// WillDelete indicates support for `workspace/willDeleteFiles` requests.
+	WillDelete bool `json:"willDelete,omitempty"`
+}
+
+// SemanticTokensWorkspaceClientCapabilities - Workspace semantic tokens capabilities.
+type SemanticTokensWorkspaceClientCapabilities struct {
+	// RefreshSupport indicates support for `workspace/semanticTokens/refresh`.
+	RefreshSupport bool `json:"refreshSupport,omitempty"`
+}
+
+// CodeLensWorkspaceClientCapabilities - Workspace code lens capabilities.
+type CodeLensWorkspaceClientCapabilities struct {
+	// RefreshSupport indicates support for `workspace/codeLens/refresh`.
+	RefreshSupport bool `json:"refreshSupport,omitempty"`
+}
+
+// InlineValueWorkspaceClientCapabilities - Workspace inline value capabilities.
+type InlineValueWorkspaceClientCapabilities struct {
+	// RefreshSupport indicates support for `workspace/inlineValue/refresh`.
+	RefreshSupport bool `json:"refreshSupport,omitempty"`
+}
+
+// InlayHintWorkspaceClientCapabilities - Workspace inlay hint capabilities.
+type InlayHintWorkspaceClientCapabilities struct {
+	// RefreshSupport indicates support for `workspace/inlayHint/refresh`.
+	RefreshSupport bool `json:"refreshSupport,omitempty"`
+}
+
+// DiagnosticWorkspaceClientCapabilities - Workspace diagnostics capabilities.
+type DiagnosticWorkspaceClientCapabilities struct {
+	// RefreshSupport indicates support for `workspace/diagnostic/refresh`.
+	RefreshSupport bool `json:"refreshSupport,omitempty"`
+}
+
+// WorkspaceClientCapabilities - Workspace specific client capabilities.
+//
+// See https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#workspaceClientCapabilities
+type WorkspaceClientCapabilities struct {
+	// ApplyEdit indicates whether the client accepts workspace/applyEdit requests.
+	ApplyEdit bool `json:"applyEdit,omitempty"`
+	// WorkspaceEdit describes supported `WorkspaceEdit` features.
+	WorkspaceEdit *WorkspaceEditClientCapabilities `json:"workspaceEdit,omitempty"`
+	// DidChangeConfiguration describes dynamic registration support for
+	// `workspace/didChangeConfiguration`.
+	DidChangeConfiguration *DidChangeConfigurationClientCapabilities `json:"didChangeConfiguration,omitempty"`
+	// DidChangeWatchedFiles describes dynamic registration support for
+	// `workspace/didChangeWatchedFiles`.
+	DidChangeWatchedFiles *DidChangeWatchedFilesClientCapabilities `json:"didChangeWatchedFiles,omitempty"`
+	// Symbol describes support for `workspace/symbol`.
+	Symbol *WorkspaceSymbolClientCapabilities `json:"symbol,omitempty"`
+	// ExecuteCommand describes dynamic registration support for
+	// `workspace/executeCommand`.
+	ExecuteCommand *ExecuteCommandClientCapabilities `json:"executeCommand,omitempty"`
+	// WorkspaceFolders indicates whether workspace folder support is available.
+	WorkspaceFolders bool `json:"workspaceFolders,omitempty"`
+	// Configuration indicates support for `workspace/configuration` requests.
+	Configuration bool `json:"configuration,omitempty"`
+	// SemanticTokens describes workspace semantic token refresh support.
+	SemanticTokens *SemanticTokensWorkspaceClientCapabilities `json:"semanticTokens,omitempty"`
+	// CodeLens describes workspace code lens refresh support.
+	CodeLens *CodeLensWorkspaceClientCapabilities `json:"codeLens,omitempty"`
+	// FileOperations describes file operation notification/request support.
+	FileOperations *FileOperationClientCapabilities `json:"fileOperations,omitempty"`
+	// InlineValue describes workspace inline value refresh support.
+	InlineValue *InlineValueWorkspaceClientCapabilities `json:"inlineValue,omitempty"`
+	// InlayHint describes workspace inlay hint refresh support.
+	InlayHint *InlayHintWorkspaceClientCapabilities `json:"inlayHint,omitempty"`
+	// Diagnostics describes workspace diagnostic refresh support.
+	Diagnostics *DiagnosticWorkspaceClientCapabilities `json:"diagnostics,omitempty"`
+}
+
+// TextDocumentSyncClientCapabilities - Synchronization capabilities.
+type TextDocumentSyncClientCapabilities struct {
+	// DynamicRegistration indicates support for dynamic registration.
+	DynamicRegistration bool `json:"dynamicRegistration,omitempty"`
+	// WillSave indicates support for before-save notifications.
+	WillSave bool `json:"willSave,omitempty"`
+	// WillSaveWaitUntil indicates support for before-save requests that can
+	// return text edits.
+	WillSaveWaitUntil bool `json:"willSaveWaitUntil,omitempty"`
+	// DidSave indicates support for save notifications.
+	DidSave bool `json:"didSave,omitempty"`
+}
+
+// CompletionItemTagSupportClientCapabilities - Completion item tag support.
+type CompletionItemTagSupportClientCapabilities struct {
+	// ValueSet is the `CompletionItemTag` values supported by the client.
+	ValueSet []CompletionItemTag `json:"valueSet,omitempty"`
+}
+
+// CompletionItemResolveSupportClientCapabilities - Completion item resolve support.
+type CompletionItemResolveSupportClientCapabilities struct {
+	// Properties are completion item properties that can be lazily resolved.
+	Properties []string `json:"properties,omitempty"`
+}
+
+// InsertTextModeSupportClientCapabilities - Insert text mode support.
+type InsertTextModeSupportClientCapabilities struct {
+	// ValueSet is the supported insert text modes.
+	ValueSet []InsertTextMode `json:"valueSet,omitempty"`
+}
+
+// CompletionItemClientCapabilities - Capabilities for completion items.
+type CompletionItemClientCapabilities struct {
+	// SnippetSupport indicates whether snippets are supported.
+	SnippetSupport bool `json:"snippetSupport,omitempty"`
+	// CommitCharactersSupport indicates support for commit characters.
+	CommitCharactersSupport bool `json:"commitCharactersSupport,omitempty"`
+	// DocumentationFormat lists preferred documentation formats.
+	DocumentationFormat []MarkupKind `json:"documentationFormat,omitempty"`
+	// DeprecatedSupport indicates support for deprecated completion items.
+	DeprecatedSupport bool `json:"deprecatedSupport,omitempty"`
+	// PreselectSupport indicates support for preselected completion items.
+	PreselectSupport bool `json:"preselectSupport,omitempty"`
+	// TagSupport describes supported completion item tags.
+	TagSupport *CompletionItemTagSupportClientCapabilities `json:"tagSupport,omitempty"`
+	// InsertReplaceSupport indicates support for insert/replace edits.
+	InsertReplaceSupport bool `json:"insertReplaceSupport,omitempty"`
+	// ResolveSupport describes lazily resolvable completion item properties.
+	ResolveSupport *CompletionItemResolveSupportClientCapabilities `json:"resolveSupport,omitempty"`
+	// InsertTextModeSupport describes supported insert text modes.
+	InsertTextModeSupport *InsertTextModeSupportClientCapabilities `json:"insertTextModeSupport,omitempty"`
+	// LabelDetailsSupport indicates support for completion item label details.
+	LabelDetailsSupport bool `json:"labelDetailsSupport,omitempty"`
+}
+
+// CompletionItemKindClientCapabilities - Supported completion item kinds.
+type CompletionItemKindClientCapabilities struct {
+	// ValueSet is the completion item kinds the client supports.
+	ValueSet []CompletionItemKind `json:"valueSet,omitempty"`
+}
+
+// CompletionListClientCapabilities - Completion list capabilities.
+//
+// @since 3.17.0
+type CompletionListClientCapabilities struct {
+	// ItemDefaults lists supported defaults in completion list responses.
+	ItemDefaults []string `json:"itemDefaults,omitempty"`
+}
+
+// CompletionClientCapabilities - Completion request capabilities.
+type CompletionClientCapabilities struct {
+	// DynamicRegistration indicates support for dynamic registration.
+	DynamicRegistration bool `json:"dynamicRegistration,omitempty"`
+	// CompletionItem describes completion item-specific capabilities.
+	CompletionItem *CompletionItemClientCapabilities `json:"completionItem,omitempty"`
+	// CompletionItemKind describes supported completion item kinds.
+	CompletionItemKind *CompletionItemKindClientCapabilities `json:"completionItemKind,omitempty"`
+	// ContextSupport indicates support for additional completion context.
+	ContextSupport bool `json:"contextSupport,omitempty"`
+	// InsertTextMode is the default insertion mode used by the client.
+	InsertTextMode InsertTextMode `json:"insertTextMode,omitempty"`
+	// CompletionList describes completion list-level capabilities.
+	CompletionList *CompletionListClientCapabilities `json:"completionList,omitempty"`
+}
+
+// HoverClientCapabilities - Hover request capabilities.
+type HoverClientCapabilities struct {
+	// DynamicRegistration indicates support for dynamic registration.
+	DynamicRegistration bool `json:"dynamicRegistration,omitempty"`
+	// ContentFormat lists preferred markup formats for hover content.
+	ContentFormat []MarkupKind `json:"contentFormat,omitempty"`
+}
+
+// ParameterInformationClientCapabilities - Parameter information capabilities.
+type ParameterInformationClientCapabilities struct {
+	// LabelOffsetSupport indicates support for tuple label offsets.
+	LabelOffsetSupport bool `json:"labelOffsetSupport,omitempty"`
+}
+
+// SignatureInformationClientCapabilities - Signature information capabilities.
+type SignatureInformationClientCapabilities struct {
+	// DocumentationFormat lists preferred formats for signature docs.
+	DocumentationFormat []MarkupKind `json:"documentationFormat,omitempty"`
+	// ParameterInformation describes parameter info capabilities.
+	ParameterInformation *ParameterInformationClientCapabilities `json:"parameterInformation,omitempty"`
+	// ActiveParameterSupport indicates support for active parameter info.
+	ActiveParameterSupport bool `json:"activeParameterSupport,omitempty"`
+}
+
+// SignatureHelpClientCapabilities - Signature help capabilities.
+type SignatureHelpClientCapabilities struct {
+	// DynamicRegistration indicates support for dynamic registration.
+	DynamicRegistration bool `json:"dynamicRegistration,omitempty"`
+	// SignatureInformation describes signature information support.
+	SignatureInformation *SignatureInformationClientCapabilities `json:"signatureInformation,omitempty"`
+	// ContextSupport indicates support for signature help context.
+	ContextSupport bool `json:"contextSupport,omitempty"`
+}
+
+// DefinitionClientCapabilities - Definition request capabilities.
+type DefinitionClientCapabilities struct {
+	// DynamicRegistration indicates support for dynamic registration.
+	DynamicRegistration bool `json:"dynamicRegistration,omitempty"`
+	// LinkSupport indicates support for link-based definitions.
+	LinkSupport bool `json:"linkSupport,omitempty"`
+}
+
+type (
+	DeclarationClientCapabilities    = DefinitionClientCapabilities
+	TypeDefinitionClientCapabilities = DefinitionClientCapabilities
+	ImplementationClientCapabilities = DefinitionClientCapabilities
+)
+
+// DocumentSymbolClientCapabilities - Document symbol capabilities.
+type DocumentSymbolClientCapabilities struct {
+	// DynamicRegistration indicates support for dynamic registration.
+	DynamicRegistration bool `json:"dynamicRegistration,omitempty"`
+	// SymbolKind lists symbol kinds supported by the client.
+	SymbolKind *DocumentSymbolClientCapabilitiesSymbolKind `json:"symbolKind,omitempty"`
+	// HierarchicalDocumentSymbolSupport indicates support for hierarchical
+	// symbols in the document symbol response.
+	HierarchicalDocumentSymbolSupport bool `json:"hierarchicalDocumentSymbolSupport,omitempty"`
+	// TagSupport lists supported `SymbolTag` values.
+	TagSupport *DocumentSymbolClientCapabilitiesTagSupport `json:"tagSupport,omitempty"`
+	// LabelSupport indicates whether labels for symbols are supported.
+	LabelSupport bool `json:"labelSupport,omitempty"`
+}
+
+type (
+	DocumentSymbolClientCapabilitiesSymbolKind = WorkspaceSymbolClientCapabilitiesSymbolKind
+	DocumentSymbolClientCapabilitiesTagSupport = WorkspaceSymbolClientCapabilitiesTagSupport
+)
+
+// CodeActionKindClientCapabilities - Supported code action kinds.
+type CodeActionKindClientCapabilities struct {
+	// ValueSet is the `CodeActionKind` values supported by the client.
+	ValueSet []CodeActionKind `json:"valueSet,omitempty"`
+}
+
+// CodeActionLiteralSupportClientCapabilities - Literal support for code actions.
+type CodeActionLiteralSupportClientCapabilities struct {
+	// CodeActionKind describes supported code action kinds.
+	CodeActionKind CodeActionKindClientCapabilities `json:"codeActionKind"`
+}
+
+// CodeActionResolveSupportClientCapabilities - Code action resolve support.
+type CodeActionResolveSupportClientCapabilities struct {
+	// Properties are code action properties that can be lazily resolved.
+	Properties []string `json:"properties,omitempty"`
+}
+
+// CodeActionClientCapabilities - Code action request capabilities.
+type CodeActionClientCapabilities struct {
+	// DynamicRegistration indicates support for dynamic registration.
+	DynamicRegistration bool `json:"dynamicRegistration,omitempty"`
+	// CodeActionLiteralSupport describes literal code action support.
+	CodeActionLiteralSupport *CodeActionLiteralSupportClientCapabilities `json:"codeActionLiteralSupport,omitempty"`
+	// IsPreferredSupport indicates support for the `isPreferred` flag.
+	IsPreferredSupport bool `json:"isPreferredSupport,omitempty"`
+	// DisabledSupport indicates support for disabled code actions.
+	DisabledSupport bool `json:"disabledSupport,omitempty"`
+	// DataSupport indicates support for preserving code action data between
+	// request and resolve.
+	DataSupport bool `json:"dataSupport,omitempty"`
+	// ResolveSupport describes lazily resolvable code action properties.
+	ResolveSupport *CodeActionResolveSupportClientCapabilities `json:"resolveSupport,omitempty"`
+	// HonorsChangeAnnotations indicates whether UI respects change annotations
+	// in incoming workspace edits.
+	HonorsChangeAnnotations bool `json:"honorsChangeAnnotations,omitempty"`
+}
+
+// RenameClientCapabilities - Rename request capabilities.
+type RenameClientCapabilities struct {
+	// DynamicRegistration indicates support for dynamic registration.
+	DynamicRegistration bool `json:"dynamicRegistration,omitempty"`
+	// PrepareSupport indicates support for prepare rename requests.
+	PrepareSupport bool `json:"prepareSupport,omitempty"`
+	// PrepareSupportDefaultBehavior indicates the default behavior when
+	// prepare support is enabled.
+	PrepareSupportDefaultBehavior uint32 `json:"prepareSupportDefaultBehavior,omitempty"`
+	// HonorsChangeAnnotations indicates whether rename applies change
+	// annotation semantics in UI.
+	HonorsChangeAnnotations bool `json:"honorsChangeAnnotations,omitempty"`
+}
+
+// PublishDiagnosticsTagSupportClientCapabilities - Diagnostic tag support.
+type PublishDiagnosticsTagSupportClientCapabilities struct {
+	// ValueSet is the `DiagnosticTag` values supported by the client.
+	ValueSet []DiagnosticTag `json:"valueSet,omitempty"`
+}
+
+// PublishDiagnosticsClientCapabilities - Publish diagnostics capabilities.
+type PublishDiagnosticsClientCapabilities struct {
+	// RelatedInformation indicates support for related diagnostic locations.
+	RelatedInformation bool `json:"relatedInformation,omitempty"`
+	// TagSupport lists supported diagnostic tag values.
+	TagSupport *PublishDiagnosticsTagSupportClientCapabilities `json:"tagSupport,omitempty"`
+	// VersionSupport indicates whether diagnostics can be versioned.
+	VersionSupport bool `json:"versionSupport,omitempty"`
+	// CodeDescriptionSupport indicates support for code descriptions.
+	CodeDescriptionSupport bool `json:"codeDescriptionSupport,omitempty"`
+	// DataSupport indicates support for preserving diagnostic data between
+	// publish and code action requests.
+	DataSupport bool `json:"dataSupport,omitempty"`
+}
+
+// FoldingRangeKindClientCapabilities - Folding range kind support.
+type FoldingRangeKindClientCapabilities struct {
+	// ValueSet is the folding range kinds supported by the client.
+	ValueSet []string `json:"valueSet,omitempty"`
+}
+
+// FoldingRangeClientCapabilities - Folding range capabilities.
+type FoldingRangeClientCapabilities struct {
+	// DynamicRegistration indicates support for dynamic registration.
+	DynamicRegistration bool `json:"dynamicRegistration,omitempty"`
+	// RangeLimit is the maximum number of folding ranges preferred.
+	RangeLimit uint32 `json:"rangeLimit,omitempty"`
+	// LineFoldingOnly indicates whether only whole-line folds are supported.
+	LineFoldingOnly bool `json:"lineFoldingOnly,omitempty"`
+	// FoldingRangeKind describes supported folding range kinds.
+	FoldingRangeKind *FoldingRangeClientCapabilitiesFoldingRangeKind `json:"foldingRangeKind,omitempty"`
+	// FoldingRange contains additional folding range specific support.
+	FoldingRange *FoldingRangeClientCapabilitiesFoldingRange `json:"foldingRange,omitempty"`
+}
+
+type FoldingRangeClientCapabilitiesFoldingRangeKind = FoldingRangeKindClientCapabilities
+
+type FoldingRangeClientCapabilitiesFoldingRange struct {
+	// CollapsedText indicates support for custom collapsed text in ranges.
+	CollapsedText bool `json:"collapsedText,omitempty"`
+}
+
+// TokenFormat - Semantic tokens format kinds.
+type TokenFormat string
+
+const (
+	// TokenFormatRelative denotes relative token encoding.
+	TokenFormatRelative TokenFormat = "relative"
+)
+
+// SemanticTokensRequestsClientCapabilities - Semantic token request modes.
+type SemanticTokensRequestsClientCapabilities struct {
+	// Range indicates support for range semantic token requests.
+	Range LSPAny `json:"range,omitempty"`
+	// Full indicates support for full document semantic token requests.
+	Full LSPAny `json:"full,omitempty"`
+}
+
+type SemanticTokensClientCapabilitiesRequests = SemanticTokensRequestsClientCapabilities
+
+// SemanticTokensClientCapabilities - Semantic token capabilities.
+type SemanticTokensClientCapabilities struct {
+	// DynamicRegistration indicates support for dynamic registration.
+	DynamicRegistration bool `json:"dynamicRegistration,omitempty"`
+	// Requests describes range/full request support.
+	Requests SemanticTokensClientCapabilitiesRequests `json:"requests"`
+	// TokenTypes is the complete set of supported token types.
+	TokenTypes []string `json:"tokenTypes"`
+	// TokenModifiers is the complete set of supported token modifiers.
+	TokenModifiers []string `json:"tokenModifiers"`
+	// Formats lists supported semantic token encodings.
+	Formats []TokenFormat `json:"formats"`
+	// OverlappingTokenSupport indicates support for overlapping tokens.
+	OverlappingTokenSupport bool `json:"overlappingTokenSupport,omitempty"`
+	// MultilineTokenSupport indicates support for multiline tokens.
+	MultilineTokenSupport bool `json:"multilineTokenSupport,omitempty"`
+	// ServerCancelSupport indicates support for server-side cancellation.
+	ServerCancelSupport bool `json:"serverCancelSupport,omitempty"`
+	// AugmentsSyntaxTokens indicates whether semantic tokens augment syntax
+	// tokens instead of replacing them.
+	AugmentsSyntaxTokens bool `json:"augmentsSyntaxTokens,omitempty"`
+}
+
+// InlayHintClientCapabilities - Inlay hint capabilities.
+//
+// @since 3.17.0
+type InlayHintClientCapabilities struct {
+	// DynamicRegistration indicates support for dynamic registration.
+	DynamicRegistration bool `json:"dynamicRegistration,omitempty"`
+	// ResolveSupport lists inlay hint properties that can be resolved lazily.
+	ResolveSupport *InlayHintClientCapabilitiesResolveSupport `json:"resolveSupport,omitempty"`
+}
+
+type InlayHintClientCapabilitiesResolveSupport = WorkspaceSymbolClientCapabilitiesResolveSupport
+
+// DiagnosticClientCapabilities - Pull diagnostic capabilities.
+//
+// @since 3.17.0
+type DiagnosticClientCapabilities struct {
+	// DynamicRegistration indicates support for dynamic registration.
+	DynamicRegistration bool `json:"dynamicRegistration,omitempty"`
+	// RelatedDocumentSupport indicates whether diagnostics can be reported
+	// with related document data.
+	RelatedDocumentSupport bool `json:"relatedDocumentSupport,omitempty"`
+}
+
+// TextDocumentClientCapabilities - Text document specific client capabilities.
+//
+// See https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#textDocumentClientCapabilities
+type TextDocumentClientCapabilities struct {
+	Synchronization *TextDocumentSyncClientCapabilities `json:"synchronization,omitempty"`
+
+	// Capabilities specific to the `textDocument/completion` request.
+	Completion *CompletionClientCapabilities `json:"completion,omitempty"`
+
+	// Capabilities specific to the `textDocument/hover` request.
+	Hover *HoverClientCapabilities `json:"hover,omitempty"`
+
+	// Capabilities specific to the `textDocument/signatureHelp` request.
+	SignatureHelp *SignatureHelpClientCapabilities `json:"signatureHelp,omitempty"`
+
+	// Capabilities specific to the `textDocument/declaration` request.
+	//
+	// @since 3.14.0
+	Declaration *DeclarationClientCapabilities `json:"declaration,omitempty"`
+
+	// Capabilities specific to the `textDocument/definition` request.
+	Definition *DefinitionClientCapabilities `json:"definition,omitempty"`
+
+	// Capabilities specific to the `textDocument/typeDefinition` request.
+	//
+	// @since 3.6.0
+	TypeDefinition *TypeDefinitionClientCapabilities `json:"typeDefinition,omitempty"`
+
+	// Capabilities specific to the `textDocument/implementation` request.
+	//
+	// @since 3.6.0
+	Implementation *ImplementationClientCapabilities `json:"implementation,omitempty"`
+
+	// Capabilities specific to the `textDocument/references` request.
+	References *ReferenceClientCapabilities `json:"references,omitempty"`
+
+	// Capabilities specific to the `textDocument/documentHighlight` request.
+	DocumentHighlight *DocumentHighlightClientCapabilities `json:"documentHighlight,omitempty"`
+
+	// Capabilities specific to the `textDocument/documentSymbol` request.
+	DocumentSymbol *DocumentSymbolClientCapabilities `json:"documentSymbol,omitempty"`
+
+	// Capabilities specific to the `textDocument/codeAction` request.
+	CodeAction *CodeActionClientCapabilities `json:"codeAction,omitempty"`
+
+	// Capabilities specific to the `textDocument/codeLens` request.
+	CodeLens *CodeLensClientCapabilities `json:"codeLens,omitempty"`
+
+	// Capabilities specific to the `textDocument/documentLink` request.
+	DocumentLink *DocumentLinkClientCapabilities `json:"documentLink,omitempty"`
+
+	// Capabilities specific to the `textDocument/documentColor` and the
+	// `textDocument/colorPresentation` request.
+	//
+	// @since 3.6.0
+	ColorProvider *DocumentColorClientCapabilities `json:"colorProvider,omitempty"`
+
+	// Capabilities specific to the `textDocument/formatting` request.
+	Formatting *DocumentFormattingClientCapabilities `json:"formatting,omitempty"`
+
+	// Capabilities specific to the `textDocument/rangeFormatting` request.
+	RangeFormatting *DocumentRangeFormattingClientCapabilities `json:"rangeFormatting,omitempty"`
+
+	// Capabilities specific to the `textDocument/onTypeFormatting` request.
+	OnTypeFormatting *DocumentOnTypeFormattingClientCapabilities `json:"onTypeFormatting,omitempty"`
+
+	// Capabilities specific to the `textDocument/rename` request.
+	Rename *RenameClientCapabilities `json:"rename,omitempty"`
+
+	// Capabilities specific to the `textDocument/publishDiagnostics`
+	// notification.
+	PublishDiagnostics *PublishDiagnosticsClientCapabilities `json:"publishDiagnostics,omitempty"`
+
+	// Capabilities specific to the `textDocument/foldingRange` request.
+	//
+	// @since 3.10.0
+	FoldingRange *FoldingRangeClientCapabilities `json:"foldingRange,omitempty"`
+
+	// Capabilities specific to the `textDocument/selectionRange` request.
+	//
+	// @since 3.15.0
+	SelectionRange *SelectionRangeClientCapabilities `json:"selectionRange,omitempty"`
+
+	// Capabilities specific to the `textDocument/linkedEditingRange` request.
+	//
+	// @since 3.16.0
+	LinkedEditingRange *LinkedEditingRangeClientCapabilities `json:"linkedEditingRange,omitempty"`
+
+	// Capabilities specific to the various call hierarchy requests.
+	//
+	// @since 3.16.0
+	CallHierarchy *CallHierarchyClientCapabilities `json:"callHierarchy,omitempty"`
+
+	// Capabilities specific to the various semantic token requests.
+	//
+	// @since 3.16.0
+	SemanticTokens *SemanticTokensClientCapabilities `json:"semanticTokens,omitempty"`
+
+	// Capabilities specific to the `textDocument/moniker` request.
+	//
+	// @since 3.16.0
+	Moniker *MonikerClientCapabilities `json:"moniker,omitempty"`
+
+	// Capabilities specific to the various type hierarchy requests.
+	//
+	// @since 3.17.0
+	TypeHierarchy *TypeHierarchyClientCapabilities `json:"typeHierarchy,omitempty"`
+
+	// Capabilities specific to the `textDocument/inlineValue` request.
+	//
+	// @since 3.17.0
+	InlineValue *InlineValueClientCapabilities `json:"inlineValue,omitempty"`
+
+	// Capabilities specific to the `textDocument/inlayHint` request.
+	//
+	// @since 3.17.0
+	InlayHint *InlayHintClientCapabilities `json:"inlayHint,omitempty"`
+
+	// Capabilities specific to the diagnostic pull model.
+	//
+	// @since 3.17.0
+	Diagnostic *DiagnosticClientCapabilities `json:"diagnostic,omitempty"`
+}
+
+type DocumentLinkClientCapabilities struct {
+	// DynamicRegistration indicates support for dynamic registration.
+	DynamicRegistration bool `json:"dynamicRegistration,omitempty"`
+	// TooltipSupport indicates support for the tooltip field on document links.
+	TooltipSupport bool `json:"tooltipSupport,omitempty"`
+}
+
+// NotebookDocumentSyncClientCapabilities - Notebook synchronization capabilities.
+//
+// @since 3.17.0
+type NotebookDocumentSyncClientCapabilities struct {
+	// DynamicRegistration indicates support for dynamic registration.
+	DynamicRegistration bool `json:"dynamicRegistration,omitempty"`
+	// ExecutionSummarySupport indicates support for notebook cell execution
+	// summary synchronization.
+	ExecutionSummarySupport bool `json:"executionSummarySupport,omitempty"`
+}
+
+// NotebookDocumentClientCapabilities - Notebook document specific client capabilities.
+//
+// See https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#notebookDocumentClientCapabilities
+//
+// @since 3.17.0
+type NotebookDocumentClientCapabilities struct {
+	// Synchronization describes notebook synchronization support.
+	Synchronization *NotebookDocumentSyncClientCapabilities `json:"synchronization,omitempty"`
+}
+
+// StaleRequestSupportClientCapabilities - Stale request support details.
+//
+// @since 3.17.0
+type StaleRequestSupportClientCapabilities struct {
+	// Cancel indicates whether stale requests should be canceled.
+	Cancel bool `json:"cancel,omitempty"`
+	// RetryOnContentModified lists request methods that should be retried when
+	// content changed.
+	RetryOnContentModified []string `json:"retryOnContentModified,omitempty"`
+}
+
+// RegularExpressionsClientCapabilities - Regular expression engine details.
+//
+// @since 3.16.0
+type RegularExpressionsClientCapabilities struct {
+	// Engine is the regular expression engine name (for example `ECMAScript`).
+	Engine string `json:"engine"`
+	// Version is the engine version when available.
+	Version string `json:"version,omitempty"`
+}
+
+// MarkdownClientCapabilities - Markdown parser details.
+//
+// @since 3.16.0
+type MarkdownClientCapabilities struct {
+	// Parser is the markdown parser name.
+	Parser string `json:"parser"`
+	// Version is the parser version when available.
+	Version string `json:"version,omitempty"`
+	// AllowedTags are HTML tags allowed in markdown rendering.
+	AllowedTags []string `json:"allowedTags,omitempty"`
+}
+
+// GeneralClientCapabilities - General client capabilities.
+//
+// See https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#generalClientCapabilities
+type GeneralClientCapabilities struct {
+	// StaleRequestSupport describes support for stale request handling.
+	StaleRequestSupport *StaleRequestSupportClientCapabilities `json:"staleRequestSupport,omitempty"`
+	// RegularExpressions describes regex engine capabilities.
+	RegularExpressions *RegularExpressionsClientCapabilities `json:"regularExpressions,omitempty"`
+	// Markdown describes markdown parser capabilities.
+	Markdown *MarkdownClientCapabilities `json:"markdown,omitempty"`
+	// PositionEncodings lists position encodings supported by the client.
+	PositionEncodings []PositionEncodingKind `json:"positionEncodings,omitempty"`
+}
+
 // ClientCapabilities defines the capabilities of the client (e.g., editor or IDE).
 // It tells the language server what features the client supports.
+//
+// See https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#clientCapabilities
 type ClientCapabilities struct {
+	// Workspace specific client capabilities.
+	Workspace *WorkspaceClientCapabilities `json:"workspace,omitempty"`
+
+	// Text document specific client capabilities.
+	TextDocument *TextDocumentClientCapabilities `json:"textDocument,omitempty"`
+
+	// Notebook document specific client capabilities.
+	//
+	// @since 3.17.0
+	NotebookDocument *NotebookDocumentClientCapabilities `json:"notebookDocument,omitempty"`
+
 	// Window specific client capabilities.
 	Window *WindowClientCapabilities `json:"window,omitempty"`
+
+	// General client capabilities.
+	General *GeneralClientCapabilities `json:"general,omitempty"`
+
+	// Experimental client capabilities. The value can be any JSON type.
+	Experimental LSPAny `json:"experimental,omitempty"`
 }

capabilities_client_test.go

@@ -56,3 +56,63 @@ func Test_CapabilitiesClient_MarshalOmitEmptyWindow(t *testing.T) {
 		t.Fatalf("expected window to be omitted, got payload: %s", string(data))
 	}
 }
+
+func Test_CapabilitiesClient_UnmarshalTopLevelCapabilities(t *testing.T) {
+	data := []byte(`{
+		"workspace": {"applyEdit": true},
+		"textDocument": {"hover": {"dynamicRegistration": true}},
+		"notebookDocument": {"synchronization": {"dynamicRegistration": true}},
+		"general": {"positionEncodings": ["utf-16", "utf-8"]},
+		"experimental": {"myFeature": true},
+		"window": {"showDocument": {"support": true}}
+	}`)
+
+	var decoded protocol.ClientCapabilities
+	if err := json.Unmarshal(data, &decoded); err != nil {
+		t.Fatalf("unmarshal failed: %v", err)
+	}
+
+	if decoded.Workspace == nil {
+		t.Fatalf("expected workspace capabilities to be present")
+	}
+
+	if decoded.TextDocument == nil {
+		t.Fatalf("expected textDocument capabilities to be present")
+	}
+
+	if decoded.NotebookDocument == nil {
+		t.Fatalf("expected notebookDocument capabilities to be present")
+	}
+
+	if decoded.General == nil {
+		t.Fatalf("expected general capabilities to be present")
+	}
+
+	if decoded.Experimental == nil {
+		t.Fatalf("expected experimental capabilities to be present")
+	}
+
+	if decoded.Window == nil || decoded.Window.ShowDocument == nil || !decoded.Window.ShowDocument.Support {
+		t.Fatalf("expected window.showDocument.support to be true")
+	}
+}
+
+func Test_CapabilitiesClient_MarshalOmitEmptyTopLevelFields(t *testing.T) {
+	original := protocol.ClientCapabilities{}
+
+	data, err := json.Marshal(original)
+	if err != nil {
+		t.Fatalf("marshal failed: %v", err)
+	}
+
+	var payload map[string]any
+	if err := json.Unmarshal(data, &payload); err != nil {
+		t.Fatalf("unmarshal failed: %v", err)
+	}
+
+	for _, key := range []string{"workspace", "textDocument", "notebookDocument", "general", "experimental", "window"} {
+		if _, ok := payload[key]; ok {
+			t.Fatalf("expected %q to be omitted, got payload: %s", key, string(data))
+		}
+	}
+}

capabilities_server.go

@@ -1,51 +1,161 @@
 package protocol
 
 // ServerCapabilities defines the capabilities of the language server.
+//
+// See https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#serverCapabilities
 type ServerCapabilities struct {
-	// The position encoding the server picked from the encodings offered
-	// by the client via the client capability `general.positionEncodings`.
+	// The position encoding the server picked from the encodings offered by the
+	// client via the client capability `general.positionEncodings`.
 	//
-	// If the client didn't provide any position encodings the only valid
-	// value that a server can return is 'utf-16'.
+	// If the client didn't provide any position encodings the only valid value
+	// that a server can return is `utf-16`.
 	//
-	// If omitted it defaults to 'utf-16'.
+	// If omitted it defaults to `utf-16`.
 	//
 	// @since 3.17.0
 	PositionEncoding *PositionEncodingKind `json:"positionEncoding,omitempty"`
 
-	// Defines how text documents are synced. Is either a detailed structure
-	// defining each notification or for backwards compatibility the
-	// TextDocumentSyncKind number.
-	// If omitted it defaults to `TextDocumentSyncKind.None`.
-	TextDocumentSync any `json:"textDocumentSync,omitempty"` // *TextDocumentSyncOptions | TextDocumentSyncKind
+	// Defines how text documents are synced.
+	//
+	// This can be either:
+	// - `TextDocumentSyncOptions`, or
+	// - `TextDocumentSyncKind` (for backwards compatibility).
+	TextDocumentSync any `json:"textDocumentSync,omitempty"` // TextDocumentSyncOptions | TextDocumentSyncKind
+
+	// Defines notebook document synchronization support.
+	//
+	// @since 3.17.0
+	NotebookDocumentSync any `json:"notebookDocumentSync,omitempty"` // NotebookDocumentSyncOptions | NotebookDocumentSyncRegistrationOptions
 
 	// The server provides completion support.
 	CompletionProvider *CompletionOptions `json:"completionProvider,omitempty"`
 
 	// The server provides hover support.
-	HoverProvider bool `json:"hoverProvider,omitempty"`
+	HoverProvider any `json:"hoverProvider,omitempty"` // bool | HoverOptions
 
 	// The server provides signature help support.
 	SignatureHelpProvider *SignatureHelpOptions `json:"signatureHelpProvider,omitempty"`
 
-	// The server provides goto definition support.
-	DefinitionProvider bool `json:"definitionProvider,omitempty"`
+	// The server provides goto declaration support.
+	//
+	// @since 3.14.0
+	DeclarationProvider any `json:"declarationProvider,omitempty"` // bool | DeclarationOptions | DeclarationRegistrationOptions
 
-	// The server provides code actions. The `CodeActionOptions` return type is
-	// only valid if the client signals code action literal support via the
-	// property `textDocument.codeAction.codeActionLiteralSupport`.
-	CodeActionProvider bool `json:"codeActionProvider,omitempty"`
+	// The server provides goto definition support.
+	DefinitionProvider any `json:"definitionProvider,omitempty"` // bool | DefinitionOptions
+
+	// The server provides goto type definition support.
+	//
+	// @since 3.6.0
+	TypeDefinitionProvider any `json:"typeDefinitionProvider,omitempty"` // bool | TypeDefinitionOptions | TypeDefinitionRegistrationOptions
+
+	// The server provides goto implementation support.
+	//
+	// @since 3.6.0
+	ImplementationProvider any `json:"implementationProvider,omitempty"` // bool | ImplementationOptions | ImplementationRegistrationOptions
+
+	// The server provides find references support.
+	ReferencesProvider any `json:"referencesProvider,omitempty"` // bool | ReferenceOptions
+
+	// The server provides document highlight support.
+	DocumentHighlightProvider any `json:"documentHighlightProvider,omitempty"` // bool | DocumentHighlightOptions
+
+	// The server provides document symbol support.
+	DocumentSymbolProvider any `json:"documentSymbolProvider,omitempty"` // bool | DocumentSymbolOptions
+
+	// The server provides code action support.
+	CodeActionProvider any `json:"codeActionProvider,omitempty"` // bool | CodeActionOptions
+
+	// The server provides code lens support.
+	CodeLensProvider *CodeLensOptions `json:"codeLensProvider,omitempty"`
+
+	// The server provides document link support.
+	DocumentLinkProvider *DocumentLinkOptions `json:"documentLinkProvider,omitempty"`
+
+	// The server provides color provider support.
+	//
+	// @since 3.6.0
+	ColorProvider any `json:"colorProvider,omitempty"` // bool | DocumentColorOptions | DocumentColorRegistrationOptions
+
+	// The server provides document formatting support.
+	DocumentFormattingProvider any `json:"documentFormattingProvider,omitempty"` // bool | DocumentFormattingOptions
+
+	// The server provides document range formatting support.
+	DocumentRangeFormattingProvider any `json:"documentRangeFormattingProvider,omitempty"` // bool | DocumentRangeFormattingOptions
+
+	// The server provides document on type formatting support.
+	DocumentOnTypeFormattingProvider *DocumentOnTypeFormattingOptions `json:"documentOnTypeFormattingProvider,omitempty"`
+
+	// The server provides rename support.
+	RenameProvider any `json:"renameProvider,omitempty"` // bool | RenameOptions
+
+	// The server provides folding range support.
+	//
+	// @since 3.10.0
+	FoldingRangeProvider any `json:"foldingRangeProvider,omitempty"` // bool | FoldingRangeOptions | FoldingRangeRegistrationOptions
+
+	// The server provides execute command support.
+	ExecuteCommandProvider *ExecuteCommandOptions `json:"executeCommandProvider,omitempty"`
+
+	// The server provides selection range support.
+	//
+	// @since 3.15.0
+	SelectionRangeProvider any `json:"selectionRangeProvider,omitempty"` // bool | SelectionRangeOptions | SelectionRangeRegistrationOptions
+
+	// The server provides linked editing range support.
+	//
+	// @since 3.16.0
+	LinkedEditingRangeProvider any `json:"linkedEditingRangeProvider,omitempty"` // bool | LinkedEditingRangeOptions | LinkedEditingRangeRegistrationOptions
+
+	// The server provides call hierarchy support.
+	//
+	// @since 3.16.0
+	CallHierarchyProvider any `json:"callHierarchyProvider,omitempty"` // bool | CallHierarchyOptions | CallHierarchyRegistrationOptions
+
+	// The server provides semantic tokens support.
+	//
+	// @since 3.16.0
+	SemanticTokensProvider any `json:"semanticTokensProvider,omitempty"` // SemanticTokensOptions | SemanticTokensRegistrationOptions
+
+	// The server provides moniker support.
+	//
+	// @since 3.16.0
+	MonikerProvider any `json:"monikerProvider,omitempty"` // bool | MonikerOptions | MonikerRegistrationOptions
+
+	// The server provides type hierarchy support.
+	//
+	// @since 3.17.0
+	TypeHierarchyProvider any `json:"typeHierarchyProvider,omitempty"` // bool | TypeHierarchyOptions | TypeHierarchyRegistrationOptions
+
+	// The server provides inline value support.
+	//
+	// @since 3.17.0
+	InlineValueProvider any `json:"inlineValueProvider,omitempty"` // bool | InlineValueOptions | InlineValueRegistrationOptions
+
+	// The server provides inlay hint support.
+	//
+	// @since 3.17.0
+	InlayHintProvider any `json:"inlayHintProvider,omitempty"` // bool | InlayHintOptions | InlayHintRegistrationOptions
 
 	// The server has support for pull model diagnostics.
 	//
 	// @since 3.17.0
 	DiagnosticProvider any `json:"diagnosticProvider,omitempty"` // DiagnosticOptions | DiagnosticRegistrationOptions
 
-	// Experimental server capabilities.
+	// The server provides workspace symbol support.
+	//
+	// @since 3.17.0
+	WorkspaceSymbolProvider any `json:"workspaceSymbolProvider,omitempty"` // bool | WorkspaceSymbolOptions
+
+	// Workspace-specific server capabilities.
+	Workspace *WorkspaceServerCapabilities `json:"workspace,omitempty"`
+
+	// Experimental server capabilities. The value can be any JSON type.
 	Experimental *LSPAny `json:"experimental,omitempty"`
 }
 
-// TextDocumentSyncKind Defines how the host (editor) should sync document changes to the language server.
+// TextDocumentSyncKind defines how the host (editor) should sync document
+// changes to the language server.
 //
 // See https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#textDocumentSyncKind
 type TextDocumentSyncKind int
@@ -57,75 +167,222 @@ const (
 	// Documents are synced by always sending the full content of the document.
 	TextDocumentSyncKindFull TextDocumentSyncKind = 1
 
-	// Documents are synced by sending the full content on open and close.
-	// After that only incremental updates to the document are sent.
+	// Documents are synced by sending the full content on open and close. After
+	// that only incremental updates to the document are sent.
 	TextDocumentSyncKindIncremental TextDocumentSyncKind = 2
 )
 
-// CompletionOptions used during `initialize` or server capabilities registration.
+// TextDocumentSyncOptions defines detailed text document synchronization
+// options.
+//
+// See https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#textDocumentSyncOptions
+type TextDocumentSyncOptions struct {
+	OpenClose         bool                 `json:"openClose,omitempty"`
+	Change            TextDocumentSyncKind `json:"change,omitempty"`
+	WillSave          bool                 `json:"willSave,omitempty"`
+	WillSaveWaitUntil bool                 `json:"willSaveWaitUntil,omitempty"`
+	Save              any                  `json:"save,omitempty"` // bool | SaveOptions
+}
+
+// SaveOptions options for save notifications.
+type SaveOptions struct {
+	IncludeText bool `json:"includeText,omitempty"`
+}
+
+// CompletionOptions used during `initialize` or server capabilities
+// registration.
 //
 // See https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#completionOptions
 type CompletionOptions struct {
 	WorkDoneProgressOptions
 
-	// The additional characters, beyond the defaults provided by the client (typically
-	// [a-zA-Z]), that should automatically trigger a completion request. For example
-	// `.` in JavaScript represents the beginning of an object property or method and is
-	// thus a good candidate for triggering a completion request.
-	//
-	// Most tools trigger a completion request automatically without explicitly
-	// requesting it using a keyboard shortcut (e.g. Ctrl+Space). Typically they
-	// do so when the user starts to type an identifier. For example if the user
-	// types `c` in a JavaScript file code complete will automatically pop up
-	// present `console` besides others as a completion item. Characters that
-	// make up identifiers don't need to be listed here.
+	// The additional characters that should trigger completion.
 	TriggerCharacters []string `json:"triggerCharacters,omitempty"`
 
-	// The list of all possible characters that commit a completion. This field
-	// can be used if clients don't support individual commit characters per
-	// completion item. See client capability
-	// `completion.completionItem.commitCharactersSupport`.
-	//
-	// If a server provides both `allCommitCharacters` and commit characters on
-	// an individual completion item the ones on the completion item win.
+	// Characters that commit a completion item.
 	//
 	// @since 3.2.0
 	AllCommitCharacters []string `json:"allCommitCharacters,omitempty"`
 
-	// The server provides support to resolve additional
-	// information for a completion item.
+	// The server supports completion item resolve.
 	ResolveProvider *bool `json:"resolveProvider,omitempty"`
 
-	// The server supports the following `CompletionItem` specific
-	// capabilities.
+	// Completion item-specific server capabilities.
 	//
 	// @since 3.17.0
-	CompletionItem *CompletionItemCapability `json:"completionItem,omitempty"`
+	CompletionItem *CompletionOptionsCompletionItem `json:"completionItem,omitempty"`
 }
 
-// CompletionItemCapability Capabilities specific to the `CompletionItem`.
+// CompletionOptionsCompletionItem capabilities specific to completion items.
 //
 // @since 3.17.0
-type CompletionItemCapability struct {
-	// The server has support for completion item label details (see also `CompletionItemLabelDetails`)
-	// when receiving a completion item in a resolve call.
-	// @since 3.17.0
+type CompletionOptionsCompletionItem struct {
+	// The server supports `CompletionItemLabelDetails` in resolve responses.
 	LabelDetailsSupport *bool `json:"labelDetailsSupport,omitempty"`
 }
 
-// SignatureHelpOptions Server capabilities for signature help requests.
+// Backward compatible alias.
+type CompletionItemCapability = CompletionOptionsCompletionItem
+
+// SignatureHelpOptions server capabilities for signature help requests.
 //
 // See https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#signatureHelpOptions
 type SignatureHelpOptions struct {
-	// The characters that trigger signature help automatically.
-	TriggerCharacters []string `json:"triggerCharacters,omitempty"`
-
-	// List of characters that re-trigger signature help.
-	// These are typically the same as `triggerCharacters`, but may contain additional characters.
-	// @since 3.2.0
+	TriggerCharacters   []string `json:"triggerCharacters,omitempty"`
 	RetriggerCharacters []string `json:"retriggerCharacters,omitempty"`
 }
 
+// WorkDoneProgressOptions indicates if a request supports work-done progress
+// reporting.
+type WorkDoneProgressOptions struct {
+	WorkDoneProgress bool `json:"workDoneProgress,omitempty"`
+}
+
+// HoverOptions describes hover support details.
+type HoverOptions = WorkDoneProgressOptions
+
+// DeclarationOptions describes declaration support details.
+//
+// @since 3.14.0
+type DeclarationOptions = WorkDoneProgressOptions
+
+// DefinitionOptions describes definition support details.
+type DefinitionOptions = WorkDoneProgressOptions
+
+// TypeDefinitionOptions describes type definition support details.
+//
+// @since 3.6.0
+type TypeDefinitionOptions = WorkDoneProgressOptions
+
+// ImplementationOptions describes implementation support details.
+//
+// @since 3.6.0
+type ImplementationOptions = WorkDoneProgressOptions
+
+// ReferenceOptions describes references support details.
+type ReferenceOptions = WorkDoneProgressOptions
+
+// DocumentHighlightOptions describes document highlight support details.
+type DocumentHighlightOptions = WorkDoneProgressOptions
+
+// DocumentSymbolOptions describes document symbol support details.
+type DocumentSymbolOptions = WorkDoneProgressOptions
+
+// CodeActionOptions server capability for code actions.
+type CodeActionOptions struct {
+	WorkDoneProgressOptions
+
+	CodeActionKinds []CodeActionKind `json:"codeActionKinds,omitempty"`
+	ResolveProvider bool             `json:"resolveProvider,omitempty"`
+}
+
+// CodeLensOptions server capability for code lenses.
+type CodeLensOptions struct {
+	ResolveProvider bool `json:"resolveProvider,omitempty"`
+}
+
+// DocumentLinkOptions server capability for document links.
+type DocumentLinkOptions struct {
+	ResolveProvider bool `json:"resolveProvider,omitempty"`
+}
+
+// DocumentColorOptions describes document color support details.
+//
+// @since 3.6.0
+type DocumentColorOptions = WorkDoneProgressOptions
+
+// DocumentFormattingOptions describes formatting support details.
+type DocumentFormattingOptions = WorkDoneProgressOptions
+
+// DocumentRangeFormattingOptions describes range formatting support details.
+type DocumentRangeFormattingOptions = WorkDoneProgressOptions
+
+// DocumentOnTypeFormattingOptions server capability for on-type formatting.
+type DocumentOnTypeFormattingOptions struct {
+	FirstTriggerCharacter string   `json:"firstTriggerCharacter"`
+	MoreTriggerCharacter  []string `json:"moreTriggerCharacter,omitempty"`
+}
+
+// RenameOptions server capability for rename.
+type RenameOptions struct {
+	WorkDoneProgressOptions
+	PrepareProvider bool `json:"prepareProvider,omitempty"`
+}
+
+// FoldingRangeOptions describes folding range support details.
+//
+// @since 3.10.0
+type FoldingRangeOptions = WorkDoneProgressOptions
+
+// ExecuteCommandOptions server capability for execute command.
+type ExecuteCommandOptions struct {
+	WorkDoneProgressOptions
+	Commands []string `json:"commands"`
+}
+
+// SelectionRangeOptions describes selection range support details.
+//
+// @since 3.15.0
+type SelectionRangeOptions = WorkDoneProgressOptions
+
+// LinkedEditingRangeOptions describes linked editing range support details.
+//
+// @since 3.16.0
+type LinkedEditingRangeOptions = WorkDoneProgressOptions
+
+// CallHierarchyOptions describes call hierarchy support details.
+//
+// @since 3.16.0
+type CallHierarchyOptions = WorkDoneProgressOptions
+
+// SemanticTokensLegend describes token types and token modifiers a server uses.
+//
+// @since 3.16.0
+type SemanticTokensLegend struct {
+	TokenTypes     []string `json:"tokenTypes"`
+	TokenModifiers []string `json:"tokenModifiers"`
+}
+
+// SemanticTokensOptionsFull indicates support for full document semantic tokens.
+//
+// @since 3.16.0
+type SemanticTokensOptionsFull struct {
+	Delta bool `json:"delta,omitempty"`
+}
+
+// SemanticTokensOptions server capability for semantic tokens.
+//
+// @since 3.16.0
+type SemanticTokensOptions struct {
+	WorkDoneProgressOptions
+	Legend SemanticTokensLegend `json:"legend"`
+	Range  any                  `json:"range,omitempty"` // bool | map[string]any
+	Full   any                  `json:"full,omitempty"`  // bool | SemanticTokensOptionsFull
+}
+
+// MonikerOptions describes moniker support details.
+//
+// @since 3.16.0
+type MonikerOptions = WorkDoneProgressOptions
+
+// TypeHierarchyOptions describes type hierarchy support details.
+//
+// @since 3.17.0
+type TypeHierarchyOptions = WorkDoneProgressOptions
+
+// InlineValueOptions describes inline value support details.
+//
+// @since 3.17.0
+type InlineValueOptions = WorkDoneProgressOptions
+
+// InlayHintOptions server capability for inlay hints.
+//
+// @since 3.17.0
+type InlayHintOptions struct {
+	WorkDoneProgressOptions
+	ResolveProvider bool `json:"resolveProvider,omitempty"`
+}
+
 // DiagnosticOptions registration options to configure pull diagnostics.
 //
 // See https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#diagnosticOptions
@@ -134,22 +391,139 @@ type SignatureHelpOptions struct {
 type DiagnosticOptions struct {
 	WorkDoneProgressOptions
 
-	// An optional identifier under which the diagnostics are
-	// managed by the client.
-	Identifier string `json:"identifier,omitempty"`
-
-	// Whether the language has inter file dependencies meaning that
-	// editing code in one file can result in a different diagnostic
-	// set in another file. Inter file dependencies are common for
-	// most programming languages and typically uncommon for linters.
-	InterFileDependencies bool `json:"interFileDependencies"`
-
-	// The server provides support for workspace diagnostics as well.
-	WorkspaceDiagnostics bool `json:"workspaceDiagnostics"`
+	Identifier            string `json:"identifier,omitempty"`
+	InterFileDependencies bool   `json:"interFileDependencies"`
+	WorkspaceDiagnostics  bool   `json:"workspaceDiagnostics"`
 }
 
-// WorkDoneProgressOptions indicates if a request supports work-done progress reporting.
-type WorkDoneProgressOptions struct {
-	// WorkDoneProgress is a flag that indicates whether progress reporting is supported.
-	WorkDoneProgress bool `json:"workDoneProgress,omitempty"`
+// WorkspaceSymbolOptions server capability for workspace symbols.
+//
+// @since 3.17.0
+type WorkspaceSymbolOptions struct {
+	WorkDoneProgressOptions
+	ResolveProvider bool `json:"resolveProvider,omitempty"`
+}
+
+// WorkspaceServerCapabilities workspace-level server capabilities.
+type WorkspaceServerCapabilities struct {
+	WorkspaceFolders *WorkspaceFoldersServerCapabilities `json:"workspaceFolders,omitempty"`
+	FileOperations   *FileOperationOptions               `json:"fileOperations,omitempty"`
+}
+
+// WorkspaceFoldersServerCapabilities server support for workspace folders.
+type WorkspaceFoldersServerCapabilities struct {
+	Supported           bool `json:"supported,omitempty"`
+	ChangeNotifications any  `json:"changeNotifications,omitempty"` // string | bool
+}
+
+// FileOperationOptions server support for file operation requests/notifications.
+//
+// @since 3.16.0
+type FileOperationOptions struct {
+	DidCreate  *FileOperationRegistrationOptions `json:"didCreate,omitempty"`
+	WillCreate *FileOperationRegistrationOptions `json:"willCreate,omitempty"`
+	DidRename  *FileOperationRegistrationOptions `json:"didRename,omitempty"`
+	WillRename *FileOperationRegistrationOptions `json:"willRename,omitempty"`
+	DidDelete  *FileOperationRegistrationOptions `json:"didDelete,omitempty"`
+	WillDelete *FileOperationRegistrationOptions `json:"willDelete,omitempty"`
+}
+
+// FileOperationRegistrationOptions registration options for file operations.
+//
+// @since 3.16.0
+type FileOperationRegistrationOptions struct {
+	Filters []FileOperationFilter `json:"filters"`
+}
+
+// FileOperationFilter describes a filter for file operation events.
+//
+// @since 3.16.0
+type FileOperationFilter struct {
+	Scheme  string               `json:"scheme,omitempty"`
+	Pattern FileOperationPattern `json:"pattern"`
+}
+
+// FileOperationPatternKind describes whether a file operation pattern applies
+// to files or folders.
+//
+// @since 3.16.0
+type FileOperationPatternKind string
+
+const (
+	FileOperationPatternKindFile   FileOperationPatternKind = "file"
+	FileOperationPatternKindFolder FileOperationPatternKind = "folder"
+)
+
+// FileOperationPatternOptions options for file operation patterns.
+//
+// @since 3.16.0
+type FileOperationPatternOptions struct {
+	IgnoreCase bool `json:"ignoreCase,omitempty"`
+}
+
+// FileOperationPattern glob pattern for file operations.
+//
+// @since 3.16.0
+type FileOperationPattern struct {
+	Glob    string                       `json:"glob"`
+	Matches FileOperationPatternKind     `json:"matches,omitempty"`
+	Options *FileOperationPatternOptions `json:"options,omitempty"`
+}
+
+// Registration option aliases with spec names.
+type (
+	DeclarationRegistrationOptions          = TextDocumentRegistrationOptions
+	TypeDefinitionRegistrationOptions       = TextDocumentRegistrationOptions
+	ImplementationRegistrationOptions       = TextDocumentRegistrationOptions
+	ColorProviderRegistrationOptions        = TextDocumentRegistrationOptions
+	FoldingRangeRegistrationOptions         = TextDocumentRegistrationOptions
+	SelectionRangeRegistrationOptions       = TextDocumentRegistrationOptions
+	LinkedEditingRangeRegistrationOptions   = TextDocumentRegistrationOptions
+	CallHierarchyRegistrationOptions        = TextDocumentRegistrationOptions
+	MonikerRegistrationOptions              = TextDocumentRegistrationOptions
+	TypeHierarchyRegistrationOptions        = TextDocumentRegistrationOptions
+	InlineValueRegistrationOptions          = TextDocumentRegistrationOptions
+	InlayHintRegistrationOptions            = TextDocumentRegistrationOptions
+	SemanticTokensRegistrationOptions       = TextDocumentRegistrationOptions
+	DiagnosticRegistrationOptions           = TextDocumentRegistrationOptions
+	NotebookDocumentSyncRegistrationOptions = TextDocumentRegistrationOptions
+)
+
+// TextDocumentRegistrationOptions registration options for text document scoped
+// capabilities.
+type TextDocumentRegistrationOptions struct {
+	DocumentSelector LSPAny `json:"documentSelector,omitempty"`
+}
+
+// NotebookDocumentSyncOptions server options for notebook synchronization.
+//
+// @since 3.17.0
+type NotebookDocumentSyncOptions struct {
+	NotebookSelector []NotebookDocumentSyncOptionsNotebookSelector `json:"notebookSelector"`
+	Save             bool                                          `json:"save,omitempty"`
+}
+
+// NotebookDocumentSyncOptionsNotebookSelector selects matching notebooks and
+// cell languages.
+//
+// @since 3.17.0
+type NotebookDocumentSyncOptionsNotebookSelector struct {
+	Notebook any                                                `json:"notebook,omitempty"` // string | NotebookDocumentFilter
+	Cells    []NotebookDocumentSyncOptionsNotebookSelectorCells `json:"cells,omitempty"`
+}
+
+// NotebookDocumentSyncOptionsNotebookSelectorCells cell language selector.
+//
+// @since 3.17.0
+type NotebookDocumentSyncOptionsNotebookSelectorCells struct {
+	Language string `json:"language"`
+}
+
+// NotebookDocumentFilter selects notebooks by type, scheme and pattern.
+//
+// @since 3.17.0
+type NotebookDocumentFilter struct {
+	NotebookType string `json:"notebookType,omitempty"`
+	Scheme       string `json:"scheme,omitempty"`
+	Pattern      string `json:"pattern,omitempty"`
 }

capabilities_server_test.go

@@ -93,3 +93,229 @@ func Test_CapabilitiesServer_MarshalOmitEmptyFields(t *testing.T) {
 		t.Fatalf("expected empty JSON object from zero-value capabilities, got: %s", string(data))
 	}
 }
+
+func Test_CapabilitiesServer_UnmarshalExtendedFields(t *testing.T) {
+	data := []byte(`{
+		"textDocumentSync": {
+			"openClose": true,
+			"change": 2,
+			"save": {"includeText": true}
+		},
+		"notebookDocumentSync": {
+			"notebookSelector": [
+				{
+					"notebook": {"notebookType": "jupyter-notebook"},
+					"cells": [{"language": "python"}]
+				}
+			],
+			"save": true
+		},
+		"hoverProvider": {"workDoneProgress": true},
+		"declarationProvider": true,
+		"typeDefinitionProvider": {"workDoneProgress": true},
+		"implementationProvider": true,
+		"referencesProvider": {"workDoneProgress": true},
+		"documentHighlightProvider": true,
+		"documentSymbolProvider": {"workDoneProgress": true},
+		"codeActionProvider": {"codeActionKinds": ["quickfix"], "resolveProvider": true},
+		"codeLensProvider": {"resolveProvider": true},
+		"documentLinkProvider": {"resolveProvider": true},
+		"colorProvider": true,
+		"documentFormattingProvider": true,
+		"documentRangeFormattingProvider": true,
+		"documentOnTypeFormattingProvider": {"firstTriggerCharacter": ";", "moreTriggerCharacter": [","]},
+		"renameProvider": {"prepareProvider": true},
+		"foldingRangeProvider": true,
+		"executeCommandProvider": {"commands": ["laravel.run"], "workDoneProgress": true},
+		"selectionRangeProvider": {"workDoneProgress": true},
+		"linkedEditingRangeProvider": true,
+		"callHierarchyProvider": true,
+		"semanticTokensProvider": {
+			"legend": {"tokenTypes": ["class"], "tokenModifiers": ["declaration"]},
+			"full": true
+		},
+		"monikerProvider": true,
+		"typeHierarchyProvider": true,
+		"inlineValueProvider": true,
+		"inlayHintProvider": {"resolveProvider": true},
+		"workspaceSymbolProvider": {"resolveProvider": true},
+		"workspace": {
+			"workspaceFolders": {"supported": true, "changeNotifications": "workspaceFolders"},
+			"fileOperations": {
+				"didCreate": {
+					"filters": [
+						{"scheme": "file", "pattern": {"glob": "**/*.go"}}
+					]
+				}
+			}
+		}
+	}`)
+
+	var decoded protocol.ServerCapabilities
+	if err := json.Unmarshal(data, &decoded); err != nil {
+		t.Fatalf("unmarshal failed: %v", err)
+	}
+
+	if decoded.CodeLensProvider == nil || !decoded.CodeLensProvider.ResolveProvider {
+		t.Fatalf("expected codeLensProvider.resolveProvider=true")
+	}
+
+	if decoded.DocumentLinkProvider == nil || !decoded.DocumentLinkProvider.ResolveProvider {
+		t.Fatalf("expected documentLinkProvider.resolveProvider=true")
+	}
+
+	if decoded.DocumentOnTypeFormattingProvider == nil || decoded.DocumentOnTypeFormattingProvider.FirstTriggerCharacter != ";" {
+		t.Fatalf("expected documentOnTypeFormattingProvider.firstTriggerCharacter=';' got %#v", decoded.DocumentOnTypeFormattingProvider)
+	}
+
+	if decoded.ExecuteCommandProvider == nil || len(decoded.ExecuteCommandProvider.Commands) != 1 || decoded.ExecuteCommandProvider.Commands[0] != "laravel.run" {
+		t.Fatalf("expected executeCommandProvider.commands to contain laravel.run")
+	}
+
+	if decoded.Workspace == nil || decoded.Workspace.WorkspaceFolders == nil || !decoded.Workspace.WorkspaceFolders.Supported {
+		t.Fatalf("expected workspace.workspaceFolders.supported=true")
+	}
+
+	tds, ok := decoded.TextDocumentSync.(map[string]any)
+	if !ok {
+		t.Fatalf("expected textDocumentSync object, got %#v", decoded.TextDocumentSync)
+	}
+
+	if openClose, ok := tds["openClose"].(bool); !ok || !openClose {
+		t.Fatalf("expected textDocumentSync.openClose=true, got %#v", tds["openClose"])
+	}
+
+	hover, ok := decoded.HoverProvider.(map[string]any)
+	if !ok {
+		t.Fatalf("expected hoverProvider object, got %#v", decoded.HoverProvider)
+	}
+
+	if wdp, ok := hover["workDoneProgress"].(bool); !ok || !wdp {
+		t.Fatalf("expected hoverProvider.workDoneProgress=true, got %#v", hover["workDoneProgress"])
+	}
+
+	if decl, ok := decoded.DeclarationProvider.(bool); !ok || !decl {
+		t.Fatalf("expected declarationProvider=true, got %#v", decoded.DeclarationProvider)
+	}
+
+	if sem, ok := decoded.SemanticTokensProvider.(map[string]any); !ok || sem["legend"] == nil {
+		t.Fatalf("expected semanticTokensProvider.legend, got %#v", decoded.SemanticTokensProvider)
+	}
+}
+
+func Test_CapabilitiesServer_MarshalExtendedFields(t *testing.T) {
+	resolve := true
+	original := protocol.ServerCapabilities{
+		PositionEncoding: &[]protocol.PositionEncodingKind{protocol.PositionEncodingKindUTF16}[0],
+		TextDocumentSync: protocol.TextDocumentSyncOptions{
+			OpenClose: true,
+			Change:    protocol.TextDocumentSyncKindIncremental,
+			Save:      protocol.SaveOptions{IncludeText: true},
+		},
+		HoverProvider: protocol.HoverOptions{WorkDoneProgress: true},
+		CompletionProvider: &protocol.CompletionOptions{
+			ResolveProvider: &resolve,
+			CompletionItem: &protocol.CompletionOptionsCompletionItem{
+				LabelDetailsSupport: &resolve,
+			},
+		},
+		DeclarationProvider: protocol.DeclarationOptions{WorkDoneProgress: true},
+		DefinitionProvider:  true,
+		CodeActionProvider: protocol.CodeActionOptions{
+			CodeActionKinds: []protocol.CodeActionKind{protocol.CodeActionQuickFix},
+			ResolveProvider: true,
+		},
+		CodeLensProvider: &protocol.CodeLensOptions{ResolveProvider: true},
+		DocumentLinkProvider: &protocol.DocumentLinkOptions{
+			ResolveProvider: true,
+		},
+		DocumentOnTypeFormattingProvider: &protocol.DocumentOnTypeFormattingOptions{
+			FirstTriggerCharacter: ";",
+			MoreTriggerCharacter:  []string{","},
+		},
+		RenameProvider: protocol.RenameOptions{PrepareProvider: true},
+		ExecuteCommandProvider: &protocol.ExecuteCommandOptions{
+			Commands: []string{"laravel.run"},
+		},
+		SemanticTokensProvider: protocol.SemanticTokensOptions{
+			Legend: protocol.SemanticTokensLegend{
+				TokenTypes:     []string{"class"},
+				TokenModifiers: []string{"declaration"},
+			},
+			Full: true,
+		},
+		DiagnosticProvider: protocol.DiagnosticOptions{
+			InterFileDependencies: true,
+			WorkspaceDiagnostics:  true,
+		},
+		WorkspaceSymbolProvider: protocol.WorkspaceSymbolOptions{ResolveProvider: true},
+		Workspace: &protocol.WorkspaceServerCapabilities{
+			WorkspaceFolders: &protocol.WorkspaceFoldersServerCapabilities{
+				Supported:           true,
+				ChangeNotifications: "workspaceFolders",
+			},
+			FileOperations: &protocol.FileOperationOptions{
+				DidCreate: &protocol.FileOperationRegistrationOptions{
+					Filters: []protocol.FileOperationFilter{{
+						Scheme: "file",
+						Pattern: protocol.FileOperationPattern{
+							Glob: "**/*.go",
+						},
+					}},
+				},
+			},
+		},
+	}
+
+	data, err := json.Marshal(original)
+	if err != nil {
+		t.Fatalf("marshal failed: %v", err)
+	}
+
+	var payload map[string]any
+	if err := json.Unmarshal(data, &payload); err != nil {
+		t.Fatalf("unmarshal failed: %v", err)
+	}
+
+	if _, ok := payload["textDocumentSync"]; !ok {
+		t.Fatalf("expected textDocumentSync in payload: %s", string(data))
+	}
+
+	if _, ok := payload["hoverProvider"]; !ok {
+		t.Fatalf("expected hoverProvider in payload: %s", string(data))
+	}
+
+	if _, ok := payload["declarationProvider"]; !ok {
+		t.Fatalf("expected declarationProvider in payload: %s", string(data))
+	}
+
+	if _, ok := payload["codeLensProvider"]; !ok {
+		t.Fatalf("expected codeLensProvider in payload: %s", string(data))
+	}
+
+	if _, ok := payload["documentOnTypeFormattingProvider"]; !ok {
+		t.Fatalf("expected documentOnTypeFormattingProvider in payload: %s", string(data))
+	}
+
+	if _, ok := payload["semanticTokensProvider"]; !ok {
+		t.Fatalf("expected semanticTokensProvider in payload: %s", string(data))
+	}
+
+	workspace, ok := payload["workspace"].(map[string]any)
+	if !ok {
+		t.Fatalf("expected workspace object, got %#v", payload["workspace"])
+	}
+
+	if _, ok := workspace["workspaceFolders"]; !ok {
+		t.Fatalf("expected workspace.workspaceFolders in payload: %s", string(data))
+	}
+
+	fileOps, ok := workspace["fileOperations"].(map[string]any)
+	if !ok {
+		t.Fatalf("expected workspace.fileOperations object, got %#v", workspace["fileOperations"])
+	}
+
+	if _, ok := fileOps["didCreate"]; !ok {
+		t.Fatalf("expected workspace.fileOperations.didCreate in payload: %s", string(data))
+	}
+}

document_diagnostic.go

@@ -6,7 +6,8 @@ import (
 )
 
 const (
-	MethodTextDocumentDiagnostic = "textDocument/diagnostic"
+	MethodTextDocumentDiagnostic         = "textDocument/diagnostic"
+	MethodTextDocumentPublishDiagnostics = "textDocument/publishDiagnostics"
 )
 
 // DocumentDiagnosticParams - Parameters of the document diagnostic request.
@@ -29,6 +30,24 @@ type DocumentDiagnosticParams struct {
 	PreviousResultID string `json:"previousResultId,omitempty"`
 }
 
+// PublishDiagnosticsParams - The parameters of a publish diagnostics notification.
+//
+// @since 3.0.0
+//
+// See https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#publishDiagnosticsParams
+type PublishDiagnosticsParams struct {
+	// The URI for which diagnostic information is reported.
+	URI DocumentURI `json:"uri"`
+
+	// Optional the version number of the document the diagnostics are published for.
+	//
+	// @since 3.15.0
+	Version int `json:"version,omitempty"`
+
+	// An array of diagnostic information items.
+	Diagnostics []Diagnostic `json:"diagnostics"`
+}
+
 // DocumentDiagnosticReport is either a full or an unchanged diagnostic report.
 //
 // @since 3.17.0

document_diagnostic_test.go

@@ -24,3 +24,26 @@ func Test_DocumentDiagnostic_StructsUnmarshalValidJSON(t *testing.T) {
 		t.Fatalf("unexpected DocumentDiagnosticReport: %+v", report)
 	}
 }
+
+func Test_PublishDiagnosticsParams_UnmarshalValidJSON(t *testing.T) {
+	var params protocol.PublishDiagnosticsParams
+	if err := json.Unmarshal([]byte(`{
+		"uri":"file:///tmp/main.go",
+		"version":2,
+		"diagnostics":[{"range":{"start":{"line":1,"character":1},"end":{"line":1,"character":3}},"message":"example diagnostic"}]
+	}`), &params); err != nil {
+		t.Fatalf("unmarshal PublishDiagnosticsParams failed: %v", err)
+	}
+
+	if params.URI != "file:///tmp/main.go" {
+		t.Fatalf("unexpected URI: %q", params.URI)
+	}
+
+	if params.Version != 2 {
+		t.Fatalf("unexpected Version: %d", params.Version)
+	}
+
+	if len(params.Diagnostics) != 1 || params.Diagnostics[0].Message != "example diagnostic" {
+		t.Fatalf("unexpected Diagnostics: %+v", params.Diagnostics)
+	}
+}

inlay_hints.go

@@ -0,0 +1,207 @@
+package protocol
+
+import (
+	"encoding/json"
+	"errors"
+)
+
+const (
+	// MethodTextDocumentInlayHint method name of `textDocument/inlayHint`.
+	MethodTextDocumentInlayHint = "textDocument/inlayHint"
+)
+
+// InlayHintParams - Parameters for a `textDocument/inlayHint` request.
+//
+// @since 3.17.0
+//
+// See https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#inlayHintParams
+type InlayHintParams struct {
+	WorkDoneProgressParams
+	PartialResultParams
+
+	// The text document.
+	TextDocument TextDocumentIdentifier `json:"textDocument"`
+
+	// The visible range for which inlay hints should be computed.
+	Range Range `json:"range"`
+}
+
+// InlayHintKind - The kind of an inlay hint.
+//
+// @since 3.17.0
+//
+// See https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#inlayHintKind
+type InlayHintKind int
+
+const (
+	// InlayHintKindType - An inlay hint that shows a type annotation.
+	InlayHintKindType InlayHintKind = 1
+
+	// InlayHintKindParameter - An inlay hint that shows a parameter name.
+	InlayHintKindParameter InlayHintKind = 2
+)
+
+// InlayHintTooltip can be a plain string or a MarkupContent object.
+//
+// @since 3.17.0
+type InlayHintTooltip struct {
+	String        *string
+	MarkupContent *MarkupContent
+}
+
+func (t InlayHintTooltip) MarshalJSON() ([]byte, error) {
+	if t.String != nil {
+		return json.Marshal(*t.String)
+	}
+	if t.MarkupContent != nil {
+		return json.Marshal(t.MarkupContent)
+	}
+	return []byte("null"), nil
+}
+
+func (t *InlayHintTooltip) UnmarshalJSON(data []byte) error {
+	*t = InlayHintTooltip{}
+
+	if string(data) == "null" {
+		return nil
+	}
+
+	var str string
+	if err := json.Unmarshal(data, &str); err == nil {
+		t.String = &str
+		return nil
+	}
+
+	var markup MarkupContent
+	if err := json.Unmarshal(data, &markup); err == nil && markup.Kind != "" {
+		t.MarkupContent = &markup
+		return nil
+	}
+
+	return errors.New("invalid InlayHintTooltip: not string, MarkupContent, or null")
+}
+
+// InlayHintLabelPart - A segment of an inlay hint label.
+//
+// @since 3.17.0
+//
+// See https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#inlayHintLabelPart
+type InlayHintLabelPart struct {
+	// The mandatory label value.
+	Value string `json:"value"`
+
+	// The tooltip text or markup shown when hovering this label part.
+	Tooltip *InlayHintTooltip `json:"tooltip,omitempty"`
+
+	// A source location for this label part.
+	Location *Location `json:"location,omitempty"`
+
+	// A command associated with this label part.
+	Command *Command `json:"command,omitempty"`
+}
+
+// InlayHintLabel can be either a string or a list of label parts.
+//
+// @since 3.17.0
+type InlayHintLabel struct {
+	String *string
+	Parts  []InlayHintLabelPart
+}
+
+func (l InlayHintLabel) MarshalJSON() ([]byte, error) {
+	if l.String != nil {
+		return json.Marshal(*l.String)
+	}
+	if l.Parts != nil {
+		return json.Marshal(l.Parts)
+	}
+	return nil, errors.New("one of InlayHintLabel.String or InlayHintLabel.Parts needs to be set")
+}
+
+func (l *InlayHintLabel) UnmarshalJSON(data []byte) error {
+	*l = InlayHintLabel{}
+
+	var str string
+	if err := json.Unmarshal(data, &str); err == nil {
+		l.String = &str
+		return nil
+	}
+
+	var parts []InlayHintLabelPart
+	if err := json.Unmarshal(data, &parts); err == nil {
+		l.Parts = parts
+		return nil
+	}
+
+	return errors.New("invalid InlayHintLabel: not string or []InlayHintLabelPart")
+}
+
+// InlayHint represents an inlay hint item.
+//
+// @since 3.17.0
+//
+// See https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#inlayHint
+type InlayHint struct {
+	// The position of this hint.
+	Position Position `json:"position"`
+
+	// The label of this hint. A human readable string or an array of label parts.
+	Label InlayHintLabel `json:"label"`
+
+	// The kind of this hint.
+	Kind *InlayHintKind `json:"kind,omitempty"`
+
+	// Optional text edits that are performed when accepting this hint.
+	TextEdits []TextEdit `json:"textEdits,omitempty"`
+
+	// The tooltip text when hovering over this hint.
+	Tooltip *InlayHintTooltip `json:"tooltip,omitempty"`
+
+	// Render padding before this hint.
+	PaddingLeft *bool `json:"paddingLeft,omitempty"`
+
+	// Render padding after this hint.
+	PaddingRight *bool `json:"paddingRight,omitempty"`
+
+	// A data entry field preserved between a hint request and resolve request.
+	Data LSPAny `json:"data,omitempty"`
+}
+
+// InlayHintResponse - Result for a `textDocument/inlayHint` request.
+//
+// It is either an array of `InlayHint` or `null`.
+//
+// @since 3.17.0
+//
+// See https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#inlayHint
+type InlayHintResponse struct {
+	Hints []InlayHint
+	Null  bool
+}
+
+func (r InlayHintResponse) MarshalJSON() ([]byte, error) {
+	if r.Null {
+		return []byte("null"), nil
+	}
+	if r.Hints == nil {
+		return []byte("null"), nil
+	}
+	return json.Marshal(r.Hints)
+}
+
+func (r *InlayHintResponse) UnmarshalJSON(data []byte) error {
+	*r = InlayHintResponse{}
+
+	if string(data) == "null" {
+		r.Null = true
+		return nil
+	}
+
+	var hints []InlayHint
+	if err := json.Unmarshal(data, &hints); err == nil {
+		r.Hints = hints
+		return nil
+	}
+
+	return errors.New("invalid inlay hint response: not null or []InlayHint")
+}

inlay_hints_test.go

@@ -0,0 +1,158 @@
+package protocol_test
+
+import (
+	"encoding/json"
+	"testing"
+
+	"github.com/laravel-ls/protocol"
+)
+
+func Test_InlayHint_ParamsUnmarshalValidJSON(t *testing.T) {
+	data := []byte(`{"textDocument":{"uri":"file:///tmp/main.go"},"range":{"start":{"line":1,"character":2},"end":{"line":1,"character":8}}}`)
+
+	var params protocol.InlayHintParams
+	if err := json.Unmarshal(data, &params); err != nil {
+		t.Fatalf("unmarshal InlayHintParams failed: %v", err)
+	}
+
+	if params.TextDocument.URI != "file:///tmp/main.go" {
+		t.Fatalf("unexpected textDocument URI: %q", params.TextDocument.URI)
+	}
+
+	if params.Range.Start.Line != 1 || params.Range.End.Character != 8 {
+		t.Fatalf("unexpected range: %+v", params.Range)
+	}
+}
+
+func Test_InlayHintLabel_UnmarshalString(t *testing.T) {
+	var label protocol.InlayHintLabel
+	if err := json.Unmarshal([]byte(`"x:"`), &label); err != nil {
+		t.Fatalf("unmarshal InlayHintLabel string failed: %v", err)
+	}
+
+	if label.String == nil || *label.String != "x:" {
+		t.Fatalf("expected string label 'x:', got %+v", label)
+	}
+
+	if label.Parts != nil {
+		t.Fatalf("expected parts to be nil for string label")
+	}
+}
+
+func Test_InlayHintLabel_UnmarshalParts(t *testing.T) {
+	data := []byte(`[{"value":"name"},{"value":":","tooltip":"separator"}]`)
+
+	var label protocol.InlayHintLabel
+	if err := json.Unmarshal(data, &label); err != nil {
+		t.Fatalf("unmarshal InlayHintLabel parts failed: %v", err)
+	}
+
+	if len(label.Parts) != 2 {
+		t.Fatalf("expected 2 label parts, got %d", len(label.Parts))
+	}
+
+	if label.Parts[1].Tooltip == nil || label.Parts[1].Tooltip.String == nil || *label.Parts[1].Tooltip.String != "separator" {
+		t.Fatalf("expected second part tooltip string to be set, got %+v", label.Parts[1].Tooltip)
+	}
+}
+
+func Test_InlayHintTooltip_UnmarshalMarkupContent(t *testing.T) {
+	data := []byte(`{"kind":"markdown","value":"**hint**"}`)
+
+	var tooltip protocol.InlayHintTooltip
+	if err := json.Unmarshal(data, &tooltip); err != nil {
+		t.Fatalf("unmarshal InlayHintTooltip markup failed: %v", err)
+	}
+
+	if tooltip.MarkupContent == nil || tooltip.MarkupContent.Kind != protocol.MarkupKindMarkdown {
+		t.Fatalf("expected markdown tooltip, got %+v", tooltip)
+	}
+}
+
+func Test_InlayHint_UnmarshalTypedObject(t *testing.T) {
+	data := []byte(`{
+		"position": {"line": 2, "character": 10},
+		"label": [{"value":"x"},{"value":":","tooltip":{"kind":"plaintext","value":"type separator"}}],
+		"kind": 1,
+		"textEdits": [{"range":{"start":{"line":2,"character":8},"end":{"line":2,"character":9}},"newText":"value"}],
+		"tooltip": "inferred type",
+		"paddingLeft": true,
+		"paddingRight": false,
+		"data": {"id": 42}
+	}`)
+
+	var hint protocol.InlayHint
+	if err := json.Unmarshal(data, &hint); err != nil {
+		t.Fatalf("unmarshal InlayHint failed: %v", err)
+	}
+
+	if hint.Position.Line != 2 || hint.Position.Character != 10 {
+		t.Fatalf("unexpected position: %+v", hint.Position)
+	}
+
+	if hint.Kind == nil || *hint.Kind != protocol.InlayHintKindType {
+		t.Fatalf("expected kind=InlayHintKindType, got %+v", hint.Kind)
+	}
+
+	if hint.Tooltip == nil || hint.Tooltip.String == nil || *hint.Tooltip.String != "inferred type" {
+		t.Fatalf("expected tooltip string 'inferred type', got %+v", hint.Tooltip)
+	}
+
+	if len(hint.TextEdits) != 1 {
+		t.Fatalf("expected 1 text edit, got %d", len(hint.TextEdits))
+	}
+}
+
+func Test_InlayHintResponse_UnmarshalArrayAndNull(t *testing.T) {
+	var list protocol.InlayHintResponse
+	if err := json.Unmarshal([]byte(`[{"position":{"line":0,"character":1},"label":"x:"}]`), &list); err != nil {
+		t.Fatalf("unmarshal InlayHintResponse array failed: %v", err)
+	}
+
+	if list.Null {
+		t.Fatalf("expected non-null response for array")
+	}
+
+	if len(list.Hints) != 1 {
+		t.Fatalf("expected 1 hint, got %d", len(list.Hints))
+	}
+
+	var nullRes protocol.InlayHintResponse
+	if err := json.Unmarshal([]byte(`null`), &nullRes); err != nil {
+		t.Fatalf("unmarshal InlayHintResponse null failed: %v", err)
+	}
+
+	if !nullRes.Null {
+		t.Fatalf("expected null response flag to be true")
+	}
+}
+
+func Test_InlayHintResponse_MarshalArrayAndNull(t *testing.T) {
+	response := protocol.InlayHintResponse{
+		Hints: []protocol.InlayHint{{
+			Position: protocol.Position{Line: 0, Character: 0},
+			Label: func() protocol.InlayHintLabel {
+				label := "a"
+				return protocol.InlayHintLabel{String: &label}
+			}(),
+		}},
+	}
+
+	data, err := json.Marshal(response)
+	if err != nil {
+		t.Fatalf("marshal InlayHintResponse array failed: %v", err)
+	}
+
+	if string(data) == "null" {
+		t.Fatalf("expected array JSON, got null")
+	}
+
+	nullData, err := json.Marshal(protocol.InlayHintResponse{Null: true})
+	if err != nil {
+		t.Fatalf("marshal InlayHintResponse null failed: %v", err)
+	}
+
+	if string(nullData) != "null" {
+		t.Fatalf("expected null JSON, got %s", string(nullData))
+	}
+}