/**
 * @packageDocumentation
 * Cookie key mapping for storage optimization.
 *
 * @remarks
 * This module handles compression of cookie keys to reduce cookie size
 * while keeping consent keys readable.
 */
/**
 * Mapping of full keys to shortened keys for cookie storage optimization.
 * Keeps consent keys readable but shortens metadata to reduce cookie size.
 *
 * @internal
 */
export declare const COOKIE_KEY_MAP: {
    readonly consents: "c";
    readonly consentInfo: "i";
    readonly timestamp: "ts";
    readonly iabCustomVendorConsents: "icv";
    readonly iabCustomVendorLegitimateInterests: "icvli";
    readonly time: "t";
    readonly type: "y";
    readonly id: "id";
    readonly subjectId: "sid";
    readonly externalId: "eid";
    readonly materialPolicyFingerprint: "mpf";
    readonly identityProvider: "idp";
};
/**
 * Reverse mapping for deserializing cookie data
 *
 * @internal
 */
export declare const REVERSE_COOKIE_KEY_MAP: Record<string, string>;
/**
 * Shortens keys in a flattened object using the key map.
 *
 * @param flattened - Flattened object with full keys
 * @returns Flattened object with shortened keys
 *
 * @internal
 */
export declare function shortenFlatKeys(flattened: Record<string, string>): Record<string, string>;
/**
 * Expands shortened keys in a flattened object back to full keys.
 *
 * @param shortened - Flattened object with shortened keys
 * @returns Flattened object with full keys
 *
 * @internal
 */
export declare function expandFlatKeys(shortened: Record<string, string>): Record<string, string>;