code: public void setGrammars( String[] grammarNamesOrClasses ) {
          this.parserGrammars = grammarNamesOrClasses != null && grammarNamesOrClasses.length != 0 ? grammarNamesOrClasses : DEFAULT_GRAMMARS.toArray(new String[DEFAULT_GRAMMARS.size()]);
      }
docs: Set the names of the grammars that should be considered during processing. The grammar names may be the case-insensitive
  {@link DdlParser#getId() identifier} of a built-in grammar, or the name of a {@link DdlParser} implementation class.
  
  @param grammarNamesOrClasses the names; may be null if the default grammar list should be used