LayoutPropertiesType:
    | {
        animated: PropertyState<boolean>;
        availableForUser: boolean;
        bleed: PropertyState<LayoutBleed | undefined>;
        displayName: string | null;
        fillColor: PropertyState<ColorUsage>;
        fillColorEnabled: PropertyState<boolean>;
        height: PropertyState<number>;
        id: Id;
        intent: PropertyState<LayoutIntent>;
        name: string;
        resizableByUser: ResizableLayoutProperties;
        selectedByUser: boolean;
        timelineLengthMs: PropertyState<number | undefined>;
        unit: PropertyState<MeasurementUnit>;
        width: PropertyState<number>;
    }
    | null