Function ostree_sys::ostree_repo_query_object_storage_size

pub unsafe extern "C" fn ostree_repo_query_object_storage_size(
    self_: *mut OstreeRepo, 
    objtype: OstreeObjectType, 
    sha256: *const c_char, 
    out_size: *mut u64, 
    cancellable: *mut GCancellable, 
    error: *mut *mut GError
) -> gboolean