extensions/typescript-language-features/src/utils/previewer.ts/markdownDocumentation
export function markdownDocumentation(
	documentation: Proto.SymbolDisplayPart[] | string,
	tags: Proto.JSDocTagInfo[],
	filePathConverter: IFilePathToResourceConverter,
): vscode.MarkdownString {
	const out = new vscode.MarkdownString();
	addMarkdownDocumentation(out, documentation, tags, filePathConverter);
	return out;
}