Type Alias IResourceTile

IResourceTile:
    | IResourceTiffTile
    | IResourceMBTilesTile
    | IResourceMVTTile
    | IResourceSCITile
    | IResourceSCI3DTile
    | IResourceSCTTile
    | IResourceSCPTile

本地瓦片资源联合类型；检查 type 后可访问对应格式的专有属性。