pub fn study_custodians_add_delegate_response(
session: SessionStatusPayload,
(study, result): (StudyRecord, StudyCustodian),
) -> StudyCustodianMutationResponsepub fn study_custodians_add_delegate_response(
session: SessionStatusPayload,
(study, result): (StudyRecord, StudyCustodian),
) -> StudyCustodianMutationResponse