'float', 'mem_total' => 'integer', 'mem_used' => 'integer', 'disk_total' => 'integer', 'disk_used' => 'integer', 'recorded_at' => 'integer', 'created_at' => 'timestamp', 'updated_at' => 'timestamp', ]; public function machine(): BelongsTo { return $this->belongsTo(ServerMachine::class, 'machine_id'); } }