export interface CliVersionPolicy {
    stableVersion: string | null;
    minimumVersion: string | null;
    upgradeMessage?: string;
    minimumVersionMessage?: string;
}
/** Normalize the CDN document while accepting historical field aliases. */
export declare function normalizeCliVersionPolicy(raw: unknown): CliVersionPolicy | null;
export declare function fetchCliVersionPolicy(): Promise<CliVersionPolicy | null>;
/** Read the policy with process-local success/failure TTLs and request coalescing. */
export declare function getCliVersionPolicy(): Promise<CliVersionPolicy | null>;
export declare function clearCliVersionPolicyCache(): void;