import { Bitcoind } from '../../types.js';
type WalletLockParams = {
    bitcoind: Bitcoind;
};
/**
 * walletlock
 *
 * Removes the wallet encryption key from memory, locking the wallet.
 * After calling this method, you will need to call walletpassphrase again
 * before being able to call any methods which require the wallet to be unlocked.
 *
 */
export declare function walletLock(params: WalletLockParams): Promise<any>;
export {};
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