import type { Hook } from '@oclif/core';
export declare const compareMajorVersions: (v1: string, v2: string) => number | string;
export declare const shouldCheckForUpdates: (version: string) => boolean;
export declare const checkForNpmUpdate: (version: string) => Promise<{
    message: undefined | string;
    isBlocking: boolean;
    failed: boolean;
}>;
export declare const checkForDockerUpdate: () => Promise<{
    message: undefined;
    isBlocking: boolean;
} | {
    message: string;
    isBlocking: boolean;
}>;
export declare const maybeCheckForUpdates: ({ version, command, args, }: {
    version: string;
    command: string;
    args: {
        [name: string]: string;
    };
}) => Promise<{
    message?: string;
    isBlocking: boolean;
}>;
declare const hook: Hook<'prerun'>;
export default hook;
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