import Ajv from 'ajv';
import { CommitData, IpfsApi } from '@dustil/common';
import type { TileDocument } from '@dustil/stream-tile';
import { Dispatcher } from './dispatcher.js';
import type { StreamID } from '@dustil/streamid';
import { CID } from 'multiformats/cid';
import type { Cacao } from '@didtools/cacao';
export declare class Utils {
    static get validator(): Ajv;
    static awaitCondition(conditionFn: () => boolean, stopFunction: () => boolean, awaitInterval: number): Promise<void>;
    static validate(content: any, schema: any): void;
    static validateSchema(doc: TileDocument): Promise<void>;
    static getCommitData(dispatcher: Dispatcher, cid: CID, streamId: StreamID, timestamp?: number): Promise<CommitData>;
    static putIPFSBlock(cid: CID | string, block: Uint8Array, ipfsApi: IpfsApi, signal: AbortSignal): Promise<void>;
    static extractCapability(commit: any, dispatcher: Dispatcher): Promise<Cacao | undefined>;
}
export declare class TrieNode {
    key: string;
    children: Record<string, TrieNode>;
    constructor(key?: string);
}
export declare class PathTrie {
    root: TrieNode;
    constructor();
    add(path: string): void;
}
export declare const promiseTimeout: (promise: Promise<any>, ms: number, timeoutErrorMsg: string) => Promise<any>;
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