extensions/markdown-language-features/src/features/workspaceSymbolProvider.ts/MarkdownWorkspaceSymbolProvider/constructor
class MarkdownWorkspaceSymbolProvider:	public constructor(
		private _symbolProvider: MDDocumentSymbolProvider,
		private _workspaceMarkdownDocumentProvider: WorkspaceMarkdownDocumentProvider = new VSCodeWorkspaceMarkdownDocumentProvider()
	) {
		super();
	}