src/vs/workbench/services/extensions/common/extensionsRegistry.ts/ExtensionMessageCollector/_msg
class ExtensionMessageCollector:	private _msg(type: Severity, message: string): void {
		this._messageHandler({
			type: type,
			message: message,
			extensionId: this._extension.identifier,
			extensionPointId: this._extensionPointId
		});
	}