import type { CID } from 'multiformats/cid';
import { AnchorValidator, CommitData, Context, InternalOpts, LogEntry, StreamState, StreamStateHolder } from '@dustil/common';
import { Dispatcher } from './dispatcher.js';
import { CommitID, StreamID } from '@dustil/streamid';
import { HandlersMap } from './handlers-map.js';
export declare function pickLogToAccept(state1: StreamState, state2: StreamState): Promise<StreamState>;
export declare class HistoryLog {
    private readonly dispatcher;
    readonly items: LogEntry[];
    readonly streamId: StreamID;
    static fromState(dispatcher: Dispatcher, state: StreamState): HistoryLog;
    constructor(dispatcher: Dispatcher, items: LogEntry[], streamId: StreamID);
    get length(): number;
    includes(cid: CID): boolean;
    get last(): CID;
    findIndex(cid: CID): number;
    slice(start?: number, end?: number): HistoryLog;
    toCommitData(): Promise<CommitData[]>;
}
export declare function fetchLog(dispatcher: Dispatcher, cid: CID, stateLog: HistoryLog, unappliedCommits?: CommitData[], timestamp?: number): Promise<CommitData[]>;
export declare function commitAtTime(stateHolder: StreamStateHolder, timestamp: number): CommitID;
export declare class ConflictResolution {
    anchorValidator: AnchorValidator;
    private readonly dispatcher;
    private readonly context;
    private readonly handlers;
    constructor(anchorValidator: AnchorValidator, dispatcher: Dispatcher, context: Context, handlers: HandlersMap);
    private applyCommitDataToState;
    private applyLogToState;
    private _applyLogToState_noCacaoVerification;
    private applyLog;
    applyTip(initialState: StreamState, tip: CID, opts: InternalOpts): Promise<StreamState | null>;
    snapshotAtCommit(initialState: StreamState, commitId: CommitID): Promise<StreamState>;
}
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