import { Resolvers } from '../mqtt.utilities';
import { PacketType } from '../mqtt.constants';
import { DefaultPacketReadResultMap, PacketReadResultMap } from '../packets/packet-reader';
import { DefaultPacketWriteOptions, PacketWriteOptionsMap, WriteData } from '../packets/packet-writer';
export declare type PacketFlowFunc<ReadMap extends PacketReadResultMap, WriteMap extends PacketWriteOptionsMap, TResult, TPacket = unknown> = (success: (value: TResult) => void, error: (error: Error | string) => void) => PacketFlowCallbacks<ReadMap, WriteMap, TPacket>;
export interface PacketFlowCallbacks<ReadMap extends PacketReadResultMap = DefaultPacketReadResultMap, WriteMap extends PacketWriteOptionsMap = DefaultPacketWriteOptions, TPacket = unknown> {
    start(): WriteData<WriteMap, PacketType> | void | undefined | null;
    accept?(packet: TPacket): boolean | undefined;
    next?(last: TPacket): WriteData<WriteMap, PacketType> | void | undefined;
}
export interface PacketFlowData<T> {
    resolvers: Resolvers<T>;
    callbacks: PacketFlowCallbacks;
    finished: boolean;
    flowFunc: unknown;
    flowId: bigint | number;
}