code: public Grammars createGrammars(InputStream is,
  			XMLEntityResolver entityResolver) throws EXIException {
  		grammarBuilder.loadGrammars(is, entityResolver);
  		SchemaInformedGrammars g = grammarBuilder.toGrammars();
  		g.setSchemaId("No-Schema-ID-Set");
  		return g;
  	}
docs: Schema information is generated for processing the EXI body.
  
  @param is
  input stream
  @param entityResolver
  application can register XSD resolver
  @return schema-informed EXI grammars
  @throws EXIException
  EXI exception