docs: private void fromEntryPoint(PatternDescrBuilder<?> pattern) throws RecognitionException {
          String ep = "";
  
          match(input,
                  DRL6Lexer.ID,
                  DroolsSoftKeywords.ENTRY,
                  null,
                  DroolsEditorType.KEYWORD);
          if (state.failed)
              return;
  
          match(input,
                  DRL6Lexer.MINUS,
                  null,
                  null,
                  DroolsEditorType.KEYWORD);
          if (state.failed)
              return;
  
          match(input,
                  DRL6Lexer.ID,
                  DroolsSoftKeywords.POINT,
                  null,
                  DroolsEditorType.KEYWORD);
          if (state.failed)
              return;
  
          ep = stringId();
  
          if (state.backtracking == 0) {
              pattern.from().entryPoint(ep);
              if (input.LA(1) != DRL6Lexer.EOF) {
                  helper.emit(Location.LOCATION_LHS_BEGIN_OF_CONDITION);
              }
          }
      }