export type SignageItem = SignageImage | SignageVideo;
export type IdentifiableSignageItem = SignageItem & {
    id: string;
};
export type SignageImage = {
    type: 'image';
    src: string;
    second: number;
};
export type SignageVideo = {
    type: 'video';
    src: string;
};
export type SignageRefType = {
    advanceNext: () => void;
};