@SuppressWarnings("DeprecatedIsStillUsed")
  @Deprecated
  public Charset extractCharsetFromFileContent(@Nullable Project project, @Nullable VirtualFile file, @NotNull String content) {
    return null;
  }
@SuppressWarnings("DeprecatedIsStillUsed")
  @Deprecated
  public Charset extractCharsetFromFileContent(@Nullable Project project, @Nullable VirtualFile file, @NotNull String content)