A resource group for managing the lifecycle of HLOD resources, handling their load and release state.
用于管理 HLOD 资源生命周期的资源组，处理其加载和释放状态。
Indicates whether the resource group is loaded.
资源组是否已加载。
Array of HLOD elements in this resource group.
此资源组中的 HLOD 元素数组。
Update marker for the resource group.
资源组的更新标记。
The URL of the HLOD resource.
HLOD 资源的 URL。
The callback function to be called after loading.
The HLOD instance.
Load the HLOD resource group.
加载 HLOD 资源组。
Releases all the resources of the HLOD group, marking the group as unloaded.
释放 HLOD 组的所有资源，并标记组为未加载。
En
A resource group for managing the lifecycle of HLOD resources, handling their load and release state.
Zh
用于管理 HLOD 资源生命周期的资源组，处理其加载和释放状态。