interface Transaction {
    state: string;
    nonce: string;
    scope: string;
    audience: string;
    appState?: any;
    code_verifier: string;
    code_challenge: string;
}
export default class TransactionManager {
    private storage;
    private transactions;
    constructor();
    create(options: Transaction): void;
    get(state: string): Transaction;
    remove(state: string): void;
}
export {};