docs: public final void normalInterfaceDeclaration() throws RecognitionException {
  		int normalInterfaceDeclaration_StartIndex = input.index();
  
  		try {
  			if ( state.backtracking>0 && alreadyParsedRule(input, 17) ) { return; }
  
  			// src/main/resources/org/drools/compiler/semantics/java/parser/Java.g:343:5: ( 'interface' Identifier ( typeParameters )? ( 'extends' typeList )? interfaceBody )
  			// src/main/resources/org/drools/compiler/semantics/java/parser/Java.g:343:7: 'interface' Identifier ( typeParameters )? ( 'extends' typeList )? interfaceBody
  			{
  			match(input,93,FOLLOW_93_in_normalInterfaceDeclaration572); if (state.failed) return;
  			match(input,Identifier,FOLLOW_Identifier_in_normalInterfaceDeclaration574); if (state.failed) return;
  			// src/main/resources/org/drools/compiler/semantics/java/parser/Java.g:343:30: ( typeParameters )?
  			int alt28=2;
  			int LA28_0 = input.LA(1);
  			if ( (LA28_0==53) ) {
  				alt28=1;
  			}
  			switch (alt28) {
  				case 1 :
  					// src/main/resources/org/drools/compiler/semantics/java/parser/Java.g:343:30: typeParameters
  					{
  					pushFollow(FOLLOW_typeParameters_in_normalInterfaceDeclaration576);
  					typeParameters();
  					state._fsp--;
  					if (state.failed) return;
  					}
  					break;
  
  			}
  
  			// src/main/resources/org/drools/compiler/semantics/java/parser/Java.g:343:46: ( 'extends' typeList )?
  			int alt29=2;
  			int LA29_0 = input.LA(1);
  			if ( (LA29_0==81) ) {
  				alt29=1;
  			}
  			switch (alt29) {
  				case 1 :
  					// src/main/resources/org/drools/compiler/semantics/java/parser/Java.g:343:47: 'extends' typeList
  					{
  					match(input,81,FOLLOW_81_in_normalInterfaceDeclaration580); if (state.failed) return;
  					pushFollow(FOLLOW_typeList_in_normalInterfaceDeclaration582);
  					typeList();
  					state._fsp--;
  					if (state.failed) return;
  					}
  					break;
  
  			}
  
  			pushFollow(FOLLOW_interfaceBody_in_normalInterfaceDeclaration586);
  			interfaceBody();
  			state._fsp--;
  			if (state.failed) return;
  			}
  
  		}
  		catch (RecognitionException re) {
  			reportError(re);
  			recover(input,re);
  		}
  		finally {
  			// do for sure before leaving
  			if ( state.backtracking>0 ) { memoize(input, 17, normalInterfaceDeclaration_StartIndex); }
  
  		}
  	}