Function sync_file_variants 

pub async fn sync_file_variants(
    app: &App,
    tn_id: TnId,
    remote_id_tag: &str,
    file_id: &str,
    variants: Option<&[&str]>,
    auth: bool,
) -> ClResult<SyncResult>

Sync file variants from a remote instance

Arguments

• app - Application state
• tn_id - Tenant ID
• remote_id_tag - Remote instance id_tag to fetch from
• file_id - The file ID to sync
• variants - Optional list of specific variants to sync (None = all up to max setting)
• auth - Whether to use authenticated requests (true for direct-visibility files, false for public)

Returns

Ok(SyncResult) with details of what was synced