public function cosignatories(array $data = null)
    {
        $cosignatories = $data ?: $this->getAttribute("cosignatories") ?: [];
        return (new CollectionMutator())->mutate("account", $cosignatories);
    }
public function cosignatories(array $data = null)
    {
        $cosignatories = $data ?: $this->getAttribute("cosignatories") ?: [];
        return (new CollectionMutator())->mutate("account", $cosignatories);
    }
public function cosignatories ( array $ data = null ) { $ cosignatories = $ data ? : $ this -> getAttribute ( "cosignatories" ) ? : [ ] ; return ( new CollectionMutator ( ) ) -> mutate ( "account" , $ cosignatories ) ; }
Mutator for the cosignatories object collection.

@return \NEM\Models\ModelCollection
Mutator for the cosignatories object collection .