src/vs/workbench/api/common/extHostLanguageFeatures.ts/ExtHostLanguageFeatures/$provideDocumentHighlights
class ExtHostLanguageFeatures:	$provideDocumentHighlights(handle: number, resource: UriComponents, position: IPosition, token: CancellationToken): Promise<languages.DocumentHighlight[] | undefined> {
		return this._withAdapter(handle, DocumentHighlightAdapter, adapter => adapter.provideDocumentHighlights(URI.revive(resource), position, token), undefined, token);
	}