类型别名 CanvasPoiClassAndCreateFuncPairType

CanvasPoiClassAndCreateFuncPairType: [
    canvasPoiClass: new (ctx: CanvasPrimitivesContext) => CanvasPoi,
    createFunc: (
        poi: CanvasPoi,
        visibleAlphaChanged?: Listener<[number, number]>,
    ) => Destroyable,
]