docs: public final void bound() throws RecognitionException {
  		int bound_StartIndex = input.index();
  
  		try {
  			if ( state.backtracking>0 && alreadyParsedRule(input, 10) ) { return; }
  
  			// src/main/resources/org/drools/compiler/semantics/java/parser/Java.g:314:5: ( type ( '&' type )* )
  			// src/main/resources/org/drools/compiler/semantics/java/parser/Java.g:314:7: type ( '&' type )*
  			{
  			pushFollow(FOLLOW_type_in_bound387);
  			type();
  			state._fsp--;
  			if (state.failed) return;
  			// src/main/resources/org/drools/compiler/semantics/java/parser/Java.g:314:12: ( '&' type )*
  			loop17:
  			while (true) {
  				int alt17=2;
  				int LA17_0 = input.LA(1);
  				if ( (LA17_0==34) ) {
  					alt17=1;
  				}
  
  				switch (alt17) {
  				case 1 :
  					// src/main/resources/org/drools/compiler/semantics/java/parser/Java.g:314:13: '&' type
  					{
  					match(input,34,FOLLOW_34_in_bound390); if (state.failed) return;
  					pushFollow(FOLLOW_type_in_bound392);
  					type();
  					state._fsp--;
  					if (state.failed) return;
  					}
  					break;
  
  				default :
  					break loop17;
  				}
  			}
  
  			}
  
  		}
  		catch (RecognitionException re) {
  			reportError(re);
  			recover(input,re);
  		}
  		finally {
  			// do for sure before leaving
  			if ( state.backtracking>0 ) { memoize(input, 10, bound_StartIndex); }
  
  		}
  	}