Returns {
    applyLayerSnapshot: (
        snapshot: LayerStateSnapshot,
        db?: AcDbDatabase,
    ) => boolean;
    captureLayerSnapshot: (db?: AcDbDatabase) => LayerStateSnapshot | null;
    currentLayerInfo: ComputedRef<LayerInfo | undefined>;
    currentLayerName: WritableComputedRef<string, string>;
    isolateLayer: (layerName: string) => boolean;
    layers: Reactive<LayerInfo[]>;
    setAllLayersOn: () => boolean;
    setCurrentLayer: (layerName: string) => boolean;
    setLayerColor: (layerName: string, color: AcCmColor) => boolean;
    setLayerFrozen: (layerName: string, isFrozen: boolean) => boolean;
    setLayerLineWeight: (layerName: string, lineWeight: number) => boolean;
    setLayerLocked: (layerName: string, isLocked: boolean) => boolean;
    setLayerOn: (layerName: string, isOn: boolean) => boolean;
    toggleLayerFrozen: (layerName: string) => boolean;
    toggleLayerLocked: (layerName: string) => boolean;
    toggleLayerOn: (layerName: string) => boolean;
    toggleLayerState: (
        layerName: string,
        state: LayerStateToggleKey,
    ) => boolean;
}

• applyLayerSnapshot: (snapshot: LayerStateSnapshot, db?: AcDbDatabase) => boolean

• captureLayerSnapshot: (db?: AcDbDatabase) => LayerStateSnapshot | null

• currentLayerInfo: ComputedRef<LayerInfo | undefined>

• currentLayerName: WritableComputedRef<string, string>

  ========================================================= Current layer (source of truth: database.clayer)

• isolateLayer: (layerName: string) => boolean

• layers: Reactive<LayerInfo[]>

• setAllLayersOn: () => boolean

• setCurrentLayer: (layerName: string) => boolean

• setLayerColor: (layerName: string, color: AcCmColor) => boolean

• setLayerFrozen: (layerName: string, isFrozen: boolean) => boolean

• setLayerLineWeight: (layerName: string, lineWeight: number) => boolean

• setLayerLocked: (layerName: string, isLocked: boolean) => boolean

• setLayerOn: (layerName: string, isOn: boolean) => boolean

• toggleLayerFrozen: (layerName: string) => boolean

• toggleLayerLocked: (layerName: string) => boolean

• toggleLayerOn: (layerName: string) => boolean

• toggleLayerState: (layerName: string, state: LayerStateToggleKey) => boolean