src/vs/workbench/contrib/tasks/browser/abstractTaskService.ts/AbstractTaskService/taskTypes
class AbstractTaskService:	public taskTypes(): string[] {
		const types: string[] = [];
		if (this._isProvideTasksEnabled()) {
			for (const definition of TaskDefinitionRegistry.all()) {
				if (this._isTaskProviderEnabled(definition.taskType)) {
					types.push(definition.taskType);
				}
			}
		}
		return types;
	}