src/vs/workbench/services/extensions/common/abstractExtensionService.ts/AbstractExtensionService/_acquireInternalAPI
class AbstractExtensionService:	private _acquireInternalAPI(): IInternalExtensionService {
		return {
			_activateById: (extensionId: ExtensionIdentifier, reason: ExtensionActivationReason): Promise<void> => {
				return this._activateById(extensionId, reason);
			},
			_onWillActivateExtension: (extensionId: ExtensionIdentifier): void => {
				return this._onWillActivateExtension(extensionId);
			},
			_onDidActivateExtension: (extensionId: ExtensionIdentifier, codeLoadingTime: number, activateCallTime: number, activateResolvedTime: number, activationReason: ExtensionActivationReason): void => {
				return this._onDidActivateExtension(extensionId, codeLoadingTime, activateCallTime, activateResolvedTime, activationReason);
			},
			_onDidActivateExtensionError: (extensionId: ExtensionIdentifier, error: Error): void => {
				return this._onDidActivateExtensionError(extensionId, error);
			},
			_onExtensionRuntimeError: (extensionId: ExtensionIdentifier, err: Error): void => {
				return this._onExtensionRuntimeError(extensionId, err);
			}
		};
	}