docs: public final DSLMapParser.meta_section_return meta_section() throws RecognitionException {
  		DSLMapParser.meta_section_return retval = new DSLMapParser.meta_section_return();
  		retval.start = input.LT(1);
  
  		Object root_0 = null;
  
  		Token LEFT_SQUARE13=null;
  		Token LITERAL14=null;
  		Token RIGHT_SQUARE15=null;
  
  		Object LEFT_SQUARE13_tree=null;
  		Object LITERAL14_tree=null;
  		Object RIGHT_SQUARE15_tree=null;
  		RewriteRuleTokenStream stream_RIGHT_SQUARE=new RewriteRuleTokenStream(adaptor,"token RIGHT_SQUARE");
  		RewriteRuleTokenStream stream_LITERAL=new RewriteRuleTokenStream(adaptor,"token LITERAL");
  		RewriteRuleTokenStream stream_LEFT_SQUARE=new RewriteRuleTokenStream(adaptor,"token LEFT_SQUARE");
  
  		try {
  			// src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:145:5: ( LEFT_SQUARE ( LITERAL )? RIGHT_SQUARE -> ^( VT_META[$LEFT_SQUARE, \"META SECTION\"] ( LITERAL )? ) )
  			// src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:145:7: LEFT_SQUARE ( LITERAL )? RIGHT_SQUARE
  			{
  			LEFT_SQUARE13=(Token)match(input,LEFT_SQUARE,FOLLOW_LEFT_SQUARE_in_meta_section530); if (state.failed) return retval; 
  			if ( state.backtracking==0 ) stream_LEFT_SQUARE.add(LEFT_SQUARE13);
  
  			// src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:145:19: ( LITERAL )?
  			int alt7=2;
  			int LA7_0 = input.LA(1);
  			if ( (LA7_0==LITERAL) ) {
  				alt7=1;
  			}
  			switch (alt7) {
  				case 1 :
  					// src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:145:19: LITERAL
  					{
  					LITERAL14=(Token)match(input,LITERAL,FOLLOW_LITERAL_in_meta_section532); if (state.failed) return retval; 
  					if ( state.backtracking==0 ) stream_LITERAL.add(LITERAL14);
  
  					}
  					break;
  
  			}
  
  			RIGHT_SQUARE15=(Token)match(input,RIGHT_SQUARE,FOLLOW_RIGHT_SQUARE_in_meta_section535); if (state.failed) return retval; 
  			if ( state.backtracking==0 ) stream_RIGHT_SQUARE.add(RIGHT_SQUARE15);
  
  			// AST REWRITE
  			// elements: LITERAL
  			// token labels: 
  			// rule labels: retval
  			// token list labels: 
  			// rule list labels: 
  			// wildcard labels: 
  			if ( state.backtracking==0 ) {
  			retval.tree = root_0;
  			RewriteRuleSubtreeStream stream_retval=new RewriteRuleSubtreeStream(adaptor,"rule retval",retval!=null?retval.getTree():null);
  
  			root_0 = (Object)adaptor.nil();
  			// 146:5: -> ^( VT_META[$LEFT_SQUARE, \"META SECTION\"] ( LITERAL )? )
  			{
  				// src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:146:8: ^( VT_META[$LEFT_SQUARE, \"META SECTION\"] ( LITERAL )? )
  				{
  				Object root_1 = (Object)adaptor.nil();
  				root_1 = (Object)adaptor.becomeRoot((Object)adaptor.create(VT_META, LEFT_SQUARE13, "META SECTION"), root_1);
  				// src/main/resources/org/drools/compiler/lang/dsl/DSLMap.g:146:48: ( LITERAL )?
  				if ( stream_LITERAL.hasNext() ) {
  					adaptor.addChild(root_1, stream_LITERAL.nextNode());
  				}
  				stream_LITERAL.reset();
  
  				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;
  	}