/**
 * Link an external bank account to a Brale account (ACH, wire).
 */
export declare function linkBraleBank(accountId: string, bankData: any, token: string, idempotencyKey: string): Promise<any>;
/**
 * Fetch all financial institutions linked to a given account.
 */
export declare function listBraleBankAccounts(accountId: string, token: string): Promise<any>;
/**
 * Fetch a specific financial institution by ID.
 */
export declare function getBraleBankAccountById(accountId: string, institutionId: string, token: string): Promise<any>;