docs: public final DSLMapParser.variable_definition_return variable_definition() throws RecognitionException {
  		DSLMapParser.variable_definition_return retval = new DSLMapParser.variable_definition_return();
  		retval.start = input.LT(1);
  
  		Object root_0 = null;
  
  		Token lc=null;
  		Token name=null;
  		Token q=null;
  		Token rc=null;
  		Token COLON25=null;
  		Token COLON26=null;
  		ParserRuleReturnScope pat =null;
  
  		Object lc_tree=null;
  		Object name_tree=null;
  		Object q_tree=null;
  		Object rc_tree=null;
  		Object COLON25_tree=null;
  		Object COLON26_tree=null;
  		RewriteRuleTokenStream stream_COLON=new RewriteRuleTokenStream(adaptor,"token COLON");
  		RewriteRuleTokenStream stream_LITERAL=new RewriteRuleTokenStream(adaptor,"token LITERAL");
  		RewriteRuleTokenStream stream_RIGHT_CURLY=new RewriteRuleTokenStream(adaptor,"token RIGHT_CURLY");
  		RewriteRuleTokenStream stream_LEFT_CURLY=new RewriteRuleTokenStream(adaptor,"token LEFT_CURLY");
  		RewriteRuleSubtreeStream stream_pattern=new RewriteRuleSubtreeStream(adaptor,"rule pattern");
  
  
  		        String text = "";
  		        boolean hasSpaceBefore = false;
  		        boolean hasSpaceAfter = false;
  
  		try {
  			// src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:196:5: (lc= LEFT_CURLY name= LITERAL ( ( COLON q= LITERAL )? COLON pat= pattern )? rc= RIGHT_CURLY -> { hasSpaceBefore && !\"\".equals(text) && !hasSpaceAfter}? VT_SPACE ^( VT_VAR_DEF $name ^( VT_QUAL ( $q)? ) VT_PATTERN[$pat.start, text] ) -> {!hasSpaceBefore && !\"\".equals(text) && !hasSpaceAfter}? ^( VT_VAR_DEF $name ^( VT_QUAL ( $q)? ) VT_PATTERN[$pat.start, text] ) -> { hasSpaceBefore && !hasSpaceAfter}? VT_SPACE ^( VT_VAR_DEF $name ^( VT_QUAL ( $q)? ) ) -> {!hasSpaceBefore && !hasSpaceAfter}? ^( VT_VAR_DEF $name ^( VT_QUAL ( $q)? ) ) -> { hasSpaceBefore && !\"\".equals(text) && hasSpaceAfter}? VT_SPACE ^( VT_VAR_DEF $name ^( VT_QUAL ( $q)? ) VT_PATTERN[$pat.start, text] ) VT_SPACE -> {!hasSpaceBefore && !\"\".equals(text) && hasSpaceAfter}? ^( VT_VAR_DEF $name ^( VT_QUAL ( $q)? ) VT_PATTERN[$pat.start, text] ) VT_SPACE -> { hasSpaceBefore && hasSpaceAfter}? VT_SPACE ^( VT_VAR_DEF $name ^( VT_QUAL ( $q)? ) ) VT_SPACE -> {!hasSpaceBefore && hasSpaceAfter}? ^( VT_VAR_DEF $name ^( VT_QUAL ( $q)? ) ) VT_SPACE -> ^( VT_VAR_DEF $name ^( VT_QUAL ( $q)? ) ) )
  			// src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:196:7: lc= LEFT_CURLY name= LITERAL ( ( COLON q= LITERAL )? COLON pat= pattern )? rc= RIGHT_CURLY
  			{
  			lc=(Token)match(input,LEFT_CURLY,FOLLOW_LEFT_CURLY_in_variable_definition809); if (state.failed) return retval; 
  			if ( state.backtracking==0 ) stream_LEFT_CURLY.add(lc);
  
  			if ( state.backtracking==0 ) {
  			        CommonToken back2 =  (CommonToken)input.LT(-2);
  			        if( back2!=null && back2.getStopIndex() < ((CommonToken)lc).getStartIndex() -1 ) hasSpaceBefore = true;
  			        }
  			name=(Token)match(input,LITERAL,FOLLOW_LITERAL_in_variable_definition827); if (state.failed) return retval; 
  			if ( state.backtracking==0 ) stream_LITERAL.add(name);
  
  			// src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:201:18: ( ( COLON q= LITERAL )? COLON pat= pattern )?
  			int alt15=2;
  			int LA15_0 = input.LA(1);
  			if ( (LA15_0==COLON) ) {
  				alt15=1;
  			}
  			switch (alt15) {
  				case 1 :
  					// src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:201:20: ( COLON q= LITERAL )? COLON pat= pattern
  					{
  					// src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:201:20: ( COLON q= LITERAL )?
  					int alt14=2;
  					int LA14_0 = input.LA(1);
  					if ( (LA14_0==COLON) ) {
  						int LA14_1 = input.LA(2);
  						if ( (LA14_1==LITERAL) ) {
  							int LA14_2 = input.LA(3);
  							if ( (LA14_2==COLON) ) {
  								int LA14_4 = input.LA(4);
  								if ( (synpred22_DSLMap()) ) {
  									alt14=1;
  								}
  							}
  						}
  					}
  					switch (alt14) {
  						case 1 :
  							// src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:201:21: COLON q= LITERAL
  							{
  							COLON25=(Token)match(input,COLON,FOLLOW_COLON_in_variable_definition832); if (state.failed) return retval; 
  							if ( state.backtracking==0 ) stream_COLON.add(COLON25);
  
  							q=(Token)match(input,LITERAL,FOLLOW_LITERAL_in_variable_definition836); if (state.failed) return retval; 
  							if ( state.backtracking==0 ) stream_LITERAL.add(q);
  
  							}
  							break;
  
  					}
  
  					COLON26=(Token)match(input,COLON,FOLLOW_COLON_in_variable_definition840); if (state.failed) return retval; 
  					if ( state.backtracking==0 ) stream_COLON.add(COLON26);
  
  					pushFollow(FOLLOW_pattern_in_variable_definition844);
  					pat=pattern();
  					state._fsp--;
  					if (state.failed) return retval;
  					if ( state.backtracking==0 ) stream_pattern.add(pat.getTree());
  					if ( state.backtracking==0 ) {text = (pat!=null?input.toString(pat.start,pat.stop):null);}
  					}
  					break;
  
  			}
  
  			rc=(Token)match(input,RIGHT_CURLY,FOLLOW_RIGHT_CURLY_in_variable_definition853); if (state.failed) return retval; 
  			if ( state.backtracking==0 ) stream_RIGHT_CURLY.add(rc);
  
  			if ( state.backtracking==0 ) {
  			      CommonToken rc1 = (CommonToken)input.LT(1);
  			      if(!"=".equals(rc1.getText()) && ((CommonToken)rc).getStopIndex() < rc1.getStartIndex() - 1) hasSpaceAfter = true;
  			      isIdentifier( name );
  			    }
  			// AST REWRITE
  			// elements: name, name, q, q, name, name, q, q, name, name, name, q, name, q, q, q, q, name
  			// token labels: q, name
  			// rule labels: retval
  			// token list labels: 
  			// rule list labels: 
  			// wildcard labels: 
  			if ( state.backtracking==0 ) {
  			retval.tree = root_0;
  			RewriteRuleTokenStream stream_q=new RewriteRuleTokenStream(adaptor,"token q",q);
  			RewriteRuleTokenStream stream_name=new RewriteRuleTokenStream(adaptor,"token name",name);
  			RewriteRuleSubtreeStream stream_retval=new RewriteRuleSubtreeStream(adaptor,"rule retval",retval!=null?retval.getTree():null);
  
  			root_0 = (Object)adaptor.nil();
  			// 208:5: -> { hasSpaceBefore && !\"\".equals(text) && !hasSpaceAfter}? VT_SPACE ^( VT_VAR_DEF $name ^( VT_QUAL ( $q)? ) VT_PATTERN[$pat.start, text] )
  			if ( hasSpaceBefore && !"".equals(text) && !hasSpaceAfter) {
  				adaptor.addChild(root_0, (Object)adaptor.create(VT_SPACE, "VT_SPACE"));
  				// src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:208:74: ^( VT_VAR_DEF $name ^( VT_QUAL ( $q)? ) VT_PATTERN[$pat.start, text] )
  				{
  				Object root_1 = (Object)adaptor.nil();
  				root_1 = (Object)adaptor.becomeRoot((Object)adaptor.create(VT_VAR_DEF, "VT_VAR_DEF"), root_1);
  				adaptor.addChild(root_1, stream_name.nextNode());
  				// src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:208:93: ^( VT_QUAL ( $q)? )
  				{
  				Object root_2 = (Object)adaptor.nil();
  				root_2 = (Object)adaptor.becomeRoot((Object)adaptor.create(VT_QUAL, "VT_QUAL"), root_2);
  				// src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:208:104: ( $q)?
  				if ( stream_q.hasNext() ) {
  					adaptor.addChild(root_2, stream_q.nextNode());
  				}
  				stream_q.reset();
  
  				adaptor.addChild(root_1, root_2);
  				}
  
  				adaptor.addChild(root_1, (Object)adaptor.create(VT_PATTERN, (pat!=null?(pat.start):null), text));
  				adaptor.addChild(root_0, root_1);
  				}
  
  			}
  
  			else // 209:5: -> {!hasSpaceBefore && !\"\".equals(text) && !hasSpaceAfter}? ^( VT_VAR_DEF $name ^( VT_QUAL ( $q)? ) VT_PATTERN[$pat.start, text] )
  			if (!hasSpaceBefore && !"".equals(text) && !hasSpaceAfter) {
  				// src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:209:74: ^( VT_VAR_DEF $name ^( VT_QUAL ( $q)? ) VT_PATTERN[$pat.start, text] )
  				{
  				Object root_1 = (Object)adaptor.nil();
  				root_1 = (Object)adaptor.becomeRoot((Object)adaptor.create(VT_VAR_DEF, "VT_VAR_DEF"), root_1);
  				adaptor.addChild(root_1, stream_name.nextNode());
  				// src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:209:93: ^( VT_QUAL ( $q)? )
  				{
  				Object root_2 = (Object)adaptor.nil();
  				root_2 = (Object)adaptor.becomeRoot((Object)adaptor.create(VT_QUAL, "VT_QUAL"), root_2);
  				// src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:209:104: ( $q)?
  				if ( stream_q.hasNext() ) {
  					adaptor.addChild(root_2, stream_q.nextNode());
  				}
  				stream_q.reset();
  
  				adaptor.addChild(root_1, root_2);
  				}
  
  				adaptor.addChild(root_1, (Object)adaptor.create(VT_PATTERN, (pat!=null?(pat.start):null), text));
  				adaptor.addChild(root_0, root_1);
  				}
  
  			}
  
  			else // 210:5: -> { hasSpaceBefore && !hasSpaceAfter}? VT_SPACE ^( VT_VAR_DEF $name ^( VT_QUAL ( $q)? ) )
  			if ( hasSpaceBefore                     && !hasSpaceAfter) {
  				adaptor.addChild(root_0, (Object)adaptor.create(VT_SPACE, "VT_SPACE"));
  				// src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:210:74: ^( VT_VAR_DEF $name ^( VT_QUAL ( $q)? ) )
  				{
  				Object root_1 = (Object)adaptor.nil();
  				root_1 = (Object)adaptor.becomeRoot((Object)adaptor.create(VT_VAR_DEF, "VT_VAR_DEF"), root_1);
  				adaptor.addChild(root_1, stream_name.nextNode());
  				// src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:210:93: ^( VT_QUAL ( $q)? )
  				{
  				Object root_2 = (Object)adaptor.nil();
  				root_2 = (Object)adaptor.becomeRoot((Object)adaptor.create(VT_QUAL, "VT_QUAL"), root_2);
  				// src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:210:104: ( $q)?
  				if ( stream_q.hasNext() ) {
  					adaptor.addChild(root_2, stream_q.nextNode());
  				}
  				stream_q.reset();
  
  				adaptor.addChild(root_1, root_2);
  				}
  
  				adaptor.addChild(root_0, root_1);
  				}
  
  			}
  
  			else // 211:5: -> {!hasSpaceBefore && !hasSpaceAfter}? ^( VT_VAR_DEF $name ^( VT_QUAL ( $q)? ) )
  			if (!hasSpaceBefore                     && !hasSpaceAfter) {
  				// src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:211:74: ^( VT_VAR_DEF $name ^( VT_QUAL ( $q)? ) )
  				{
  				Object root_1 = (Object)adaptor.nil();
  				root_1 = (Object)adaptor.becomeRoot((Object)adaptor.create(VT_VAR_DEF, "VT_VAR_DEF"), root_1);
  				adaptor.addChild(root_1, stream_name.nextNode());
  				// src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:211:93: ^( VT_QUAL ( $q)? )
  				{
  				Object root_2 = (Object)adaptor.nil();
  				root_2 = (Object)adaptor.becomeRoot((Object)adaptor.create(VT_QUAL, "VT_QUAL"), root_2);
  				// src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:211:104: ( $q)?
  				if ( stream_q.hasNext() ) {
  					adaptor.addChild(root_2, stream_q.nextNode());
  				}
  				stream_q.reset();
  
  				adaptor.addChild(root_1, root_2);
  				}
  
  				adaptor.addChild(root_0, root_1);
  				}
  
  			}
  
  			else // 212:5: -> { hasSpaceBefore && !\"\".equals(text) && hasSpaceAfter}? VT_SPACE ^( VT_VAR_DEF $name ^( VT_QUAL ( $q)? ) VT_PATTERN[$pat.start, text] ) VT_SPACE
  			if ( hasSpaceBefore && !"".equals(text) &&  hasSpaceAfter) {
  				adaptor.addChild(root_0, (Object)adaptor.create(VT_SPACE, "VT_SPACE"));
  				// src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:212:74: ^( VT_VAR_DEF $name ^( VT_QUAL ( $q)? ) VT_PATTERN[$pat.start, text] )
  				{
  				Object root_1 = (Object)adaptor.nil();
  				root_1 = (Object)adaptor.becomeRoot((Object)adaptor.create(VT_VAR_DEF, "VT_VAR_DEF"), root_1);
  				adaptor.addChild(root_1, stream_name.nextNode());
  				// src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:212:93: ^( VT_QUAL ( $q)? )
  				{
  				Object root_2 = (Object)adaptor.nil();
  				root_2 = (Object)adaptor.becomeRoot((Object)adaptor.create(VT_QUAL, "VT_QUAL"), root_2);
  				// src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:212:104: ( $q)?
  				if ( stream_q.hasNext() ) {
  					adaptor.addChild(root_2, stream_q.nextNode());
  				}
  				stream_q.reset();
  
  				adaptor.addChild(root_1, root_2);
  				}
  
  				adaptor.addChild(root_1, (Object)adaptor.create(VT_PATTERN, (pat!=null?(pat.start):null), text));
  				adaptor.addChild(root_0, root_1);
  				}
  
  				adaptor.addChild(root_0, (Object)adaptor.create(VT_SPACE, "VT_SPACE"));
  			}
  
  			else // 213:5: -> {!hasSpaceBefore && !\"\".equals(text) && hasSpaceAfter}? ^( VT_VAR_DEF $name ^( VT_QUAL ( $q)? ) VT_PATTERN[$pat.start, text] ) VT_SPACE
  			if (!hasSpaceBefore && !"".equals(text) &&  hasSpaceAfter) {
  				// src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:213:74: ^( VT_VAR_DEF $name ^( VT_QUAL ( $q)? ) VT_PATTERN[$pat.start, text] )
  				{
  				Object root_1 = (Object)adaptor.nil();
  				root_1 = (Object)adaptor.becomeRoot((Object)adaptor.create(VT_VAR_DEF, "VT_VAR_DEF"), root_1);
  				adaptor.addChild(root_1, stream_name.nextNode());
  				// src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:213:93: ^( VT_QUAL ( $q)? )
  				{
  				Object root_2 = (Object)adaptor.nil();
  				root_2 = (Object)adaptor.becomeRoot((Object)adaptor.create(VT_QUAL, "VT_QUAL"), root_2);
  				// src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:213:104: ( $q)?
  				if ( stream_q.hasNext() ) {
  					adaptor.addChild(root_2, stream_q.nextNode());
  				}
  				stream_q.reset();
  
  				adaptor.addChild(root_1, root_2);
  				}
  
  				adaptor.addChild(root_1, (Object)adaptor.create(VT_PATTERN, (pat!=null?(pat.start):null), text));
  				adaptor.addChild(root_0, root_1);
  				}
  
  				adaptor.addChild(root_0, (Object)adaptor.create(VT_SPACE, "VT_SPACE"));
  			}
  
  			else // 214:5: -> { hasSpaceBefore && hasSpaceAfter}? VT_SPACE ^( VT_VAR_DEF $name ^( VT_QUAL ( $q)? ) ) VT_SPACE
  			if ( hasSpaceBefore &&                      hasSpaceAfter) {
  				adaptor.addChild(root_0, (Object)adaptor.create(VT_SPACE, "VT_SPACE"));
  				// src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:214:74: ^( VT_VAR_DEF $name ^( VT_QUAL ( $q)? ) )
  				{
  				Object root_1 = (Object)adaptor.nil();
  				root_1 = (Object)adaptor.becomeRoot((Object)adaptor.create(VT_VAR_DEF, "VT_VAR_DEF"), root_1);
  				adaptor.addChild(root_1, stream_name.nextNode());
  				// src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:214:93: ^( VT_QUAL ( $q)? )
  				{
  				Object root_2 = (Object)adaptor.nil();
  				root_2 = (Object)adaptor.becomeRoot((Object)adaptor.create(VT_QUAL, "VT_QUAL"), root_2);
  				// src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:214:104: ( $q)?
  				if ( stream_q.hasNext() ) {
  					adaptor.addChild(root_2, stream_q.nextNode());
  				}
  				stream_q.reset();
  
  				adaptor.addChild(root_1, root_2);
  				}
  
  				adaptor.addChild(root_0, root_1);
  				}
  
  				adaptor.addChild(root_0, (Object)adaptor.create(VT_SPACE, "VT_SPACE"));
  			}
  
  			else // 215:5: -> {!hasSpaceBefore && hasSpaceAfter}? ^( VT_VAR_DEF $name ^( VT_QUAL ( $q)? ) ) VT_SPACE
  			if (!hasSpaceBefore &&                      hasSpaceAfter) {
  				// src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:215:74: ^( VT_VAR_DEF $name ^( VT_QUAL ( $q)? ) )
  				{
  				Object root_1 = (Object)adaptor.nil();
  				root_1 = (Object)adaptor.becomeRoot((Object)adaptor.create(VT_VAR_DEF, "VT_VAR_DEF"), root_1);
  				adaptor.addChild(root_1, stream_name.nextNode());
  				// src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:215:93: ^( VT_QUAL ( $q)? )
  				{
  				Object root_2 = (Object)adaptor.nil();
  				root_2 = (Object)adaptor.becomeRoot((Object)adaptor.create(VT_QUAL, "VT_QUAL"), root_2);
  				// src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:215:104: ( $q)?
  				if ( stream_q.hasNext() ) {
  					adaptor.addChild(root_2, stream_q.nextNode());
  				}
  				stream_q.reset();
  
  				adaptor.addChild(root_1, root_2);
  				}
  
  				adaptor.addChild(root_0, root_1);
  				}
  
  				adaptor.addChild(root_0, (Object)adaptor.create(VT_SPACE, "VT_SPACE"));
  			}
  
  			else // 216:5: -> ^( VT_VAR_DEF $name ^( VT_QUAL ( $q)? ) )
  			{
  				// src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:216:74: ^( VT_VAR_DEF $name ^( VT_QUAL ( $q)? ) )
  				{
  				Object root_1 = (Object)adaptor.nil();
  				root_1 = (Object)adaptor.becomeRoot((Object)adaptor.create(VT_VAR_DEF, "VT_VAR_DEF"), root_1);
  				adaptor.addChild(root_1, stream_name.nextNode());
  				// src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:216:93: ^( VT_QUAL ( $q)? )
  				{
  				Object root_2 = (Object)adaptor.nil();
  				root_2 = (Object)adaptor.becomeRoot((Object)adaptor.create(VT_QUAL, "VT_QUAL"), root_2);
  				// src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:216:104: ( $q)?
  				if ( stream_q.hasNext() ) {
  					adaptor.addChild(root_2, stream_q.nextNode());
  				}
  				stream_q.reset();
  
  				adaptor.addChild(root_1, root_2);
  				}
  
  				adaptor.addChild(root_0, root_1);
  				}
  
  			}
  
  
  			retval.tree = root_0;
  			}
  
  			}
  
  			retval.stop = input.LT(-1);
  
  			if ( state.backtracking==0 ) {
  			retval.tree = (Object)adaptor.rulePostProcessing(root_0);
  			adaptor.setTokenBoundaries(retval.tree, retval.start, retval.stop);
  			}
  		}
  		catch (RecognitionException re) {
  			reportError(re);
  			recover(input,re);
  			retval.tree = (Object)adaptor.errorNode(input, retval.start, input.LT(-1), re);
  		}
  		finally {
  			// do for sure before leaving
  		}
  		return retval;
  	}