src/vs/workbench/api/common/extHostExtensionActivator.ts/ExtensionsActivator/_createAndSaveOperation
class ExtensionsActivator:	private _createAndSaveOperation(activation: ActivationIdAndReason, displayName: string | null | undefined, deps: ActivationOperation[], value: ActivatedExtension | null): ActivationOperation {
		const operation = new ActivationOperation(activation.id, displayName, activation.reason, deps, value, this._host, this._logService);
		this._operations.set(ExtensionIdentifier.toKey(activation.id), operation);
		return operation;
	}