/**
 * Offers the necessary functionality to pack a payload
 * so that it can later be retrieved as part of a transfer.
 */
export interface ITransferMedium<TPayload> {
    /**
     * Packs the specified payload and provides a unique
     * identifier that can be used as part of the retrieval.
     *
     * @param payload The payload that is to be packed.
     */
    pack(payload: TPayload): Promise<string>;
    /**
     * Retrieves the payload associated with the specified identifier,
     * removing it from the transfer medium.
     *
     * @param identifier The identifier associated with the desired payload.
     */
    unpack(identifier: string): Promise<TPayload>;
}