Function withdraw_requester_study_access_request 

pub fn withdraw_requester_study_access_request(
    port: &mut dyn RequesterStudyAccessRequestPort,
    scope: &RequesterStudyAccessRequests,
    request_id: Uuid,
) -> Result<RequesterStudyAccessRequest, RequesterStudyAccessRequestError>

Withdraws a pending access request only when it is owned by the current requester in the selected datastore. This workflow cannot grant access or provision datastore workflow entry.