Function unsubmitted_lock_conflicts 

pub async fn unsubmitted_lock_conflicts(
    lock_system: &dyn DavLockSystem,
    path: &DavPath,
    deep: bool,
    prefix: &str,
    if_header: Option<&IfHeader>,
    request_scheme: &str,
    request_host: &str,
) -> Vec<DavLock>

Returns conflicting locks whose tokens were not submitted for their corresponding lock root.