///   * `TF_FilesystemPluginInfo` struct: similar to the above structure, but
///     collects information about all the file schemes that the plugin provides
///     support for, as well as about the plugin's memory handling routines;
///   * `TF_SetFilesystemVersionMetadata` function: must be called by plugins in
///     their `TF_InitPlugin` to record the versioning information the plugins