docs: public final DRL5Expressions.unaryExpressionNotPlusMinus_return unaryExpressionNotPlusMinus() throws RecognitionException {
  		DRL5Expressions.unaryExpressionNotPlusMinus_return retval = new DRL5Expressions.unaryExpressionNotPlusMinus_return();
  		retval.start = input.LT(1);
  
  		Token var=null;
  		Token COLON9=null;
  		Token UNIFY10=null;
  		BaseDescr left =null;
  
  		 boolean isLeft = false; BindingDescr bind = null;
  		try {
  			// src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:488:5: ( TILDE unaryExpression | NEGATION unaryExpression | ( castExpression )=> castExpression | ( ({...}? (var= ID COLON ) ) | ({...}? (var= ID UNIFY ) ) )? left= primary ( ( selector )=> selector )* ( ( INCR | DECR )=> ( INCR | DECR ) )? )
  			int alt53=4;
  			switch ( input.LA(1) ) {
  			case TILDE:
  				{
  				alt53=1;
  				}
  				break;
  			case NEGATION:
  				{
  				alt53=2;
  				}
  				break;
  			case LEFT_PAREN:
  				{
  				int LA53_3 = input.LA(2);
  				if ( (synpred14_DRL5Expressions()) ) {
  					alt53=3;
  				}
  				else if ( (true) ) {
  					alt53=4;
  				}
  
  				}
  				break;
  			case BOOL:
  			case DECIMAL:
  			case FLOAT:
  			case HEX:
  			case ID:
  			case LEFT_SQUARE:
  			case LESS:
  			case NULL:
  			case STAR:
  			case STRING:
  			case TIME_INTERVAL:
  				{
  				alt53=4;
  				}
  				break;
  			default:
  				if (state.backtracking>0) {state.failed=true; return retval;}
  				NoViableAltException nvae =
  					new NoViableAltException("", 53, 0, input);
  				throw nvae;
  			}
  			switch (alt53) {
  				case 1 :
  					// src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:488:9: TILDE unaryExpression
  					{
  					match(input,TILDE,FOLLOW_TILDE_in_unaryExpressionNotPlusMinus2371); if (state.failed) return retval;
  					pushFollow(FOLLOW_unaryExpression_in_unaryExpressionNotPlusMinus2373);
  					unaryExpression();
  					state._fsp--;
  					if (state.failed) return retval;
  					}
  					break;
  				case 2 :
  					// src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:489:8: NEGATION unaryExpression
  					{
  					match(input,NEGATION,FOLLOW_NEGATION_in_unaryExpressionNotPlusMinus2382); if (state.failed) return retval;
  					pushFollow(FOLLOW_unaryExpression_in_unaryExpressionNotPlusMinus2384);
  					unaryExpression();
  					state._fsp--;
  					if (state.failed) return retval;
  					}
  					break;
  				case 3 :
  					// src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:490:9: ( castExpression )=> castExpression
  					{
  					pushFollow(FOLLOW_castExpression_in_unaryExpressionNotPlusMinus2398);
  					castExpression();
  					state._fsp--;
  					if (state.failed) return retval;
  					}
  					break;
  				case 4 :
  					// src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:491:9: ( ({...}? (var= ID COLON ) ) | ({...}? (var= ID UNIFY ) ) )? left= primary ( ( selector )=> selector )* ( ( INCR | DECR )=> ( INCR | DECR ) )?
  					{
  					if ( state.backtracking==0 ) { isLeft = helper.getLeftMostExpr() == null;}
  					// src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:492:9: ( ({...}? (var= ID COLON ) ) | ({...}? (var= ID UNIFY ) ) )?
  					int alt50=3;
  					int LA50_0 = input.LA(1);
  					if ( (LA50_0==ID) ) {
  						int LA50_1 = input.LA(2);
  						if ( (LA50_1==COLON) ) {
  							int LA50_3 = input.LA(3);
  							if ( ((inMap == 0 && ternOp == 0 && input.LA(2) == DRL5Lexer.COLON)) ) {
  								alt50=1;
  							}
  						}
  						else if ( (LA50_1==UNIFY) ) {
  							alt50=2;
  						}
  					}
  					switch (alt50) {
  						case 1 :
  							// src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:492:11: ({...}? (var= ID COLON ) )
  							{
  							// src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:492:11: ({...}? (var= ID COLON ) )
  							// src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:492:12: {...}? (var= ID COLON )
  							{
  							if ( !((inMap == 0 && ternOp == 0 && input.LA(2) == DRL5Lexer.COLON)) ) {
  								if (state.backtracking>0) {state.failed=true; return retval;}
  								throw new FailedPredicateException(input, "unaryExpressionNotPlusMinus", "inMap == 0 && ternOp == 0 && input.LA(2) == DRL5Lexer.COLON");
  							}
  							// src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:492:75: (var= ID COLON )
  							// src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:492:76: var= ID COLON
  							{
  							var=(Token)match(input,ID,FOLLOW_ID_in_unaryExpressionNotPlusMinus2426); if (state.failed) return retval;
  							COLON9=(Token)match(input,COLON,FOLLOW_COLON_in_unaryExpressionNotPlusMinus2428); if (state.failed) return retval;
  							if ( state.backtracking==0 ) { hasBindings = true; helper.emit(var, DroolsEditorType.IDENTIFIER_VARIABLE); helper.emit(COLON9, DroolsEditorType.SYMBOL); if( buildDescr ) { bind = new BindingDescr((var!=null?var.getText():null), null, false); helper.setStart( bind, var ); } }
  							}
  
  							}
  
  							}
  							break;
  						case 2 :
  							// src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:494:11: ({...}? (var= ID UNIFY ) )
  							{
  							// src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:494:11: ({...}? (var= ID UNIFY ) )
  							// src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:494:12: {...}? (var= ID UNIFY )
  							{
  							if ( !((inMap == 0 && ternOp == 0 && input.LA(2) == DRL5Lexer.UNIFY)) ) {
  								if (state.backtracking>0) {state.failed=true; return retval;}
  								throw new FailedPredicateException(input, "unaryExpressionNotPlusMinus", "inMap == 0 && ternOp == 0 && input.LA(2) == DRL5Lexer.UNIFY");
  							}
  							// src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:494:75: (var= ID UNIFY )
  							// src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:494:76: var= ID UNIFY
  							{
  							var=(Token)match(input,ID,FOLLOW_ID_in_unaryExpressionNotPlusMinus2467); if (state.failed) return retval;
  							UNIFY10=(Token)match(input,UNIFY,FOLLOW_UNIFY_in_unaryExpressionNotPlusMinus2469); if (state.failed) return retval;
  							if ( state.backtracking==0 ) { hasBindings = true; helper.emit(var, DroolsEditorType.IDENTIFIER_VARIABLE); helper.emit(UNIFY10, DroolsEditorType.SYMBOL); if( buildDescr ) { bind = new BindingDescr((var!=null?var.getText():null), null, true); helper.setStart( bind, var ); } }
  							}
  
  							}
  
  							}
  							break;
  
  					}
  
  					pushFollow(FOLLOW_primary_in_unaryExpressionNotPlusMinus2514);
  					left=primary();
  					state._fsp--;
  					if (state.failed) return retval;
  					if ( state.backtracking==0 ) { if( buildDescr ) { retval.result = left; } }
  					// src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:498:9: ( ( selector )=> selector )*
  					loop51:
  					while (true) {
  						int alt51=2;
  						int LA51_0 = input.LA(1);
  						if ( (LA51_0==DOT) && (synpred15_DRL5Expressions())) {
  							alt51=1;
  						}
  						else if ( (LA51_0==LEFT_SQUARE) && (synpred15_DRL5Expressions())) {
  							alt51=1;
  						}
  
  						switch (alt51) {
  						case 1 :
  							// src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:498:10: ( selector )=> selector
  							{
  							pushFollow(FOLLOW_selector_in_unaryExpressionNotPlusMinus2531);
  							selector();
  							state._fsp--;
  							if (state.failed) return retval;
  							}
  							break;
  
  						default :
  							break loop51;
  						}
  					}
  
  					if ( state.backtracking==0 ) {
  					            if( buildDescr ) {
  					                String expr = input.toString(retval.start,input.LT(-1));
  					                if( isLeft ) {
  					                    helper.setLeftMostExpr( expr );
  					                }
  					                if( bind != null ) {
  					                    if( bind.isUnification() ) {
  					                        expr = expr.substring( expr.indexOf( ":=" ) + 2 ).trim();
  					                    } else {
  					                        expr = expr.substring( expr.indexOf( ":" ) + 1 ).trim();
  					                    }
  					                    bind.setExpressionAndBindingField( expr );
  					                    helper.setEnd( bind );
  					                    retval.result = bind;
  					                }
  					            }
  					        }
  					// src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:517:9: ( ( INCR | DECR )=> ( INCR | DECR ) )?
  					int alt52=2;
  					int LA52_0 = input.LA(1);
  					if ( (LA52_0==DECR||LA52_0==INCR) && (synpred16_DRL5Expressions())) {
  						alt52=1;
  					}
  					switch (alt52) {
  						case 1 :
  							// src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:517:10: ( INCR | DECR )=> ( INCR | DECR )
  							{
  							if ( input.LA(1)==DECR||input.LA(1)==INCR ) {
  								input.consume();
  								state.errorRecovery=false;
  								state.failed=false;
  							}
  							else {
  								if (state.backtracking>0) {state.failed=true; return retval;}
  								MismatchedSetException mse = new MismatchedSetException(null,input);
  								throw mse;
  							}
  							}
  							break;
  
  					}
  
  					}
  					break;
  
  			}
  			retval.stop = input.LT(-1);
  
  		}
  
  		catch (RecognitionException re) {
  		    throw re;
  		}
  
  		finally {
  			// do for sure before leaving
  		}
  		return retval;
  	}