Name of the object that contains util methods for the generated parser to use.

Examples:


  {
    elementTypeClass="org.intellij.grammar.psi.BnfCompositeElementType"
    elementTypeHolderClass="org.intellij.grammar.psi.BnfTypes"
    elementTypePrefix="BNF_"
    syntaxElementTypeHolderClass="org.intellij.grammar.psi.BnfSyntaxTypes"
    syntaxParserUtilObject="org.intellij.grammar.parser.BnfParserUtil"
  }