import { type CliVersionPolicy } from "../utils/cli-version-policy.js";
export interface CliVersionCheckResult extends CliVersionPolicy {
    currentVersion: string;
    needsUpgrade: boolean;
    belowMinimum: boolean;
}
/** Strictly evaluate a current version against an already normalized policy. */
export declare function evaluateCliVersionPolicy(currentVersion: string, policy: CliVersionPolicy | null): CliVersionCheckResult;
export declare function checkCliVersion(): Promise<CliVersionCheckResult>;
export declare function getCliUpgradeCommand(result: Pick<CliVersionCheckResult, "stableVersion">): string;
/** Block unsupported clients before the target command's execute function runs. */
export declare function assertCliVersionSupported(result: CliVersionCheckResult): void;