@NotNull
  private static PsiType getRowKeyType(@NotNull PsiType psiFieldType, PsiManager psiManager) {
    return PsiTypeUtil.extractOneElementType(psiFieldType, psiManager, COM_GOOGLE_COMMON_COLLECT_TABLE, 0);
  }
@NotNull
  private static PsiType getRowKeyType(@NotNull PsiType psiFieldType, PsiManager psiManager)