• abilities_ : photo_camera
• abilities_list_ : photo_camera_list
• bytes_per_pixel : photo_image_t
• bytes_per_pixel_ : photo_image
• cam : photo_t
• camera_ : photo_camera , PhotoNode
• camera_list_ : photo_camera_list , PhotoNode
• capture_srv_ : PhotoNode
• context : photo_t
• context_ : photo_camera
• data : photo_image_t
• data_ : photo_image
• get_config_srv_ : PhotoNode
• height : photo_image_t
• height_ : photo_image
• image_ : PhotoNode
• image_size : photo_image_t
• image_size_ : photo_image
• mode : photo_t
• mode_ : photo_camera
• photo_mutex_ : PhotoNode
• port_info_ : photo_camera
• port_info_list_ : photo_camera_list
• set_config_srv_ : PhotoNode
• width : photo_image_t
• width_ : photo_image