src/vs/platform/instantiation/common/instantiationService.ts/Trace/traceInvocation
class Trace:	static traceInvocation(_enableTracing: boolean, ctor: any): Trace {
		return !_enableTracing ? Trace._None : new Trace(TraceType.Invocation, ctor.name || new Error().stack!.split('\n').slice(3, 4).join('\n'));
	}