Type parameters
				
					- 
						
Signal: Observable<unknown> = Observable<unknown>
					 
				
			
			
			
			
				Constructors
				
					
					constructor
					
					
						- 
							
							
							
Type parameters
							
								- 
									
Signal: Observable<unknown, Signal> = Observable<unknown>
								 
							
							
						 
					
				
			
			
				Accessors
				
					
					signal
					
						- get signal(): Observable<Subscribe<Signal>>
 
					
					
						- 
							
							
							
Returns Observable<Subscribe<Signal>>
						 
					
				
			
		 
		
	 
 
 
各种控制器的基础抽象类。