docs: public final void integerLiteral() throws RecognitionException {
  		int integerLiteral_StartIndex = input.index();
  
  		try {
  			if ( state.backtracking>0 && alreadyParsedRule(input, 62) ) { return; }
  
  			// src/main/resources/org/drools/compiler/semantics/java/parser/Java.g:596:5: ( HexLiteral | OctalLiteral | DecimalLiteral )
  			// src/main/resources/org/drools/compiler/semantics/java/parser/Java.g:
  			{
  			if ( input.LA(1)==DecimalLiteral||input.LA(1)==HexLiteral||input.LA(1)==OctalLiteral ) {
  				input.consume();
  				state.errorRecovery=false;
  				state.failed=false;
  			}
  			else {
  				if (state.backtracking>0) {state.failed=true; return;}
  				MismatchedSetException mse = new MismatchedSetException(null,input);
  				throw mse;
  			}
  			}
  
  		}
  		catch (RecognitionException re) {
  			reportError(re);
  			recover(input,re);
  		}
  		finally {
  			// do for sure before leaving
  			if ( state.backtracking>0 ) { memoize(input, 62, integerLiteral_StartIndex); }
  
  		}
  	}