protected void duplicateError(@NotNull VirtualFile virtualFile,
                                @NotNull String externalName,
                                @NotNull String text) {
    LOG.error(text + "; for signature: '" + externalName + "' in the " + virtualFile);
  }
protected void duplicateError(@NotNull VirtualFile virtualFile,
                                @NotNull String externalName,
                                @NotNull String text)