import { P2P } from '@shardeum-foundation/lib-types';
import { SignedObject } from '@shardeum-foundation/lib-types/build/src/p2p/P2PTypes';
/** TYPES */
export type ScheduledLostReport<Target> = {
    targetNode: Target;
    reason: string;
    timestamp: number;
    scheduledInCycle: number;
    requestId: string;
};
export type ScheduledRemoveByApp<Target> = {
    target: Target;
    reason: string;
    timestamp: number;
    certificate: P2P.LostTypes.RemoveCertificate;
};
export declare let isDown: {};
interface PingMessage {
    m: string;
}
export declare type SignedPingMessage = PingMessage & SignedObject;
/** FUNCTIONS */
export declare function init(): void;
export declare function reset(): void;
export declare function getTxs(): P2P.LostTypes.Txs;
export declare function validateRecordTypes(rec: P2P.LostTypes.Record): string;
export declare function dropInvalidTxs(txs: P2P.LostTypes.Txs): P2P.LostTypes.Txs;
export declare function updateRecord(txs: P2P.LostTypes.Txs, record: P2P.CycleCreatorTypes.CycleRecord, prev: P2P.CycleCreatorTypes.CycleRecord): void;
export declare function parseRecord(record: P2P.CycleCreatorTypes.CycleRecord): P2P.CycleParserTypes.Change;
export declare function sendRequests(): void;
export declare function scheduleLostReport(target: P2P.NodeListTypes.Node, reason: string, requestId: string): void;
export declare function setIsUpTs(nodeId: string): void;
export declare function isNodeUpRecent(nodeId: string, maxAge: number): {
    upRecent: boolean;
    state: string;
    age: number;
};
export declare function isNodeDown(nodeId: string): {
    down: boolean;
    state: string;
};
export declare function isNodeLost(nodeId: string): boolean;
export declare function removeNodeWithCertificiate(certificate: P2P.LostTypes.RemoveCertificate): void;
export {};