extensions/markdown-language-features/src/logging.ts/VsCodeOutputLogger/verbose
class VsCodeOutputLogger:	public verbose(title: string, message: string, data?: any): void {
		if (this.trace === Trace.Verbose) {
			this.appendLine(`[Verbose ${this.now()}] ${title}: ${message}`);
			if (data) {
				this.appendLine(VsCodeOutputLogger.data2String(data));
			}
		}
	}