import { Queue } from "./queue";
export interface Item {
    data: Record<string, any>;
    key: string;
    error?: Error | string;
    errorDateTime?: Date;
}
export declare type Queues = {
    [key: string]: ReturnType<typeof Queue>;
};
export declare type FetchMethod = (arg0: Record<string, any>) => Promise<void>;
export declare type QueueNameTypes = "invoice" | "transactionPos" | "transactionCash";
export declare type EventTypes = "enqueue" | "dequeue" | "logError";
export declare type OnUpdateList = (arg0: {
    queueName: string;
    items: Item[];
    eventType: EventTypes;
}) => void;
export declare type OnFetching = (arg0: {
    queueName: string;
    fetchingKeys: FetchingKeys;
}) => void;
export interface FetchQueueReducer {
    [queueName: string]: Item[];
}
export interface QueuePoolState {
    [userId: number]: FetchQueueReducer;
}
export interface QueuePoolReducer {
    queuePool: QueuePoolState;
    fetchingKeys: {
        [queueName: string]: FetchingKeys;
    };
}
export declare type FetchingKeys = {
    [key: string]: boolean;
};
export interface AddQueueReturnType {
    addQueue: addQueueType;
}
export declare type addQueueType = (arg0: string, arg1: FetchMethod, arg2?: Item[]) => AddQueueReturnType;
export declare type AppQueues = "invoice" | "transactionPos" | "transactionCash";