/**
 * Ably API keys have the shape `APP_ID.KEY_ID:KEY_SECRET`.
 */
export declare function extractAppIdFromApiKey(apiKey: string): string;
/**
 * Returns the "key name" portion — everything before the `:` separator
 * (i.e. `APP_ID.KEY_ID`). Empty string if the input is not a valid key.
 */
export declare function extractKeyNameFromApiKey(apiKey: string): string;