import type { MessagePickupProtocol } from './protocol/MessagePickupProtocol';
import type { EncryptedMessage } from '../../types';
/**
 * Get the supported protocol versions based on the provided discover features services.
 */
export type MessagePickupProtocolVersionType<MPPs extends MessagePickupProtocol[]> = MPPs[number]['version'];
export interface QueueMessageOptions {
    connectionId: string;
    message: EncryptedMessage;
}
export interface PickupMessagesOptions<MPPs extends MessagePickupProtocol[] = MessagePickupProtocol[]> {
    connectionId: string;
    protocolVersion: MessagePickupProtocolVersionType<MPPs>;
    recipientKey?: string;
    batchSize?: number;
}
export type QueueMessageReturnType = void;
export type PickupMessagesReturnType = void;