ManagedRelationship.deferred constructor - ManagedRelationship class - aqueduct library

const ManagedRelationship.deferred(ManagedRelationshipDeleteRule onDelete, { bool isRequired: false })

Source

const ManagedRelationship.deferred(ManagedRelationshipDeleteRule onDelete,
    {bool isRequired: false})
    : this(_deferredSymbol, onDelete: onDelete, isRequired: isRequired);