import type { KeyringPair } from '@polkadot/keyring/types';
/**
 * Derive an sr25519 `KeyringPair` from a BIP39 mnemonic.
 *
 * Mnemonic must be supplied explicitly — this package never reads
 * `process.env`. Callers are responsible for sourcing the value.
 */
export declare const walletFromMnemonic: (mnemonic: string, options?: {
    name?: string;
}) => Promise<KeyringPair>;
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