import { EventEmitter } from 'node:events';
export type EventMap = {
    newVersion: [{
        name: string;
        currentVersion: string;
        latestVersion: string;
    }];
};
export type VersionCheck = {
    name: string;
    currentVersion: string;
    getLatestVersion: () => Promise<string | undefined>;
};
export declare class VersionChecker extends EventEmitter<EventMap> {
    private checks;
    private logger;
    private runningPromise;
    constructor(checks: Array<VersionCheck>, intervalCheckMs?: number, logger?: import("@aztec/foundation/log").Logger);
    start(): void;
    trigger(): Promise<void>;
    stop(): Promise<void>;
    private run;
    private checkVersion;
}
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