@NotNull
  @Override
  public GrPackageDefinitionStub createStub(@NotNull GrPackageDefinition psi, StubElement parentStub) {
    return new GrPackageDefinitionStub(parentStub, GroovyStubElementTypes.PACKAGE_DEFINITION, StringRef.fromString(psi.getPackageName()));
  }
@NotNull
  @Override
  public GrPackageDefinitionStub createStub(@NotNull GrPackageDefinition psi, StubElement parentStub)