/**
 * Resolve a current key ID into a full key name (appId.keyId).
 * Handles the case where keyId may already include the appId prefix.
 * Returns undefined if keyId is not provided.
 */
export declare function resolveCurrentKeyName(appId: string, keyId?: string): string | undefined;
/**
 * Parse a capabilities string that may be either:
 * - JSON object: '{"channel1":["publish"],"channel2":["subscribe"]}'
 * - Comma-separated list: "publish,subscribe" → {"*": ["publish","subscribe"]}
 *
 * Throws error on invalid JSON object or empty Capabilities array
 */
export declare function parseCapabilities(input: string): Record<string, string[]>;