public static function setRelation($modelOne, $keyOne, $modelTwo, $keyTwo): void
    {
        $relations = [$modelOne => $keyOne, $modelTwo => $keyTwo];
        self::setRelations($modelOne, $modelTwo, $relations);
    }
public static function setRelation($modelOne, $keyOne, $modelTwo, $keyTwo): void
    {
        $relations = [$modelOne => $keyOne, $modelTwo => $keyTwo];
        self::setRelations($modelOne, $modelTwo, $relations);
    }
public static function setRelation ( $ modelOne , $ keyOne , $ modelTwo , $ keyTwo ) : void { $ relations = [ $ modelOne => $ keyOne , $ modelTwo => $ keyTwo ] ; self :: setRelations ( $ modelOne , $ modelTwo , $ relations ) ; }
Setup relation between two models

@param  string $modelOne
@param  string $keyOne
@param  string $modelTwo
@param  string $keyTwo

@return void
Setup relation between two models