import { z } from 'zod';
/**
 * Validates a single string containing a BIP-39 mnemonic.
 *
 * • Trims leading/trailing whitespace.
 * • Collapses any run of whitespace (spaces, tabs, new-lines) to a single space.
 * • Splits on spaces → array of words.
 * • Checks that the word-count is 12, 15, 18, 21, or 24.
 *
 */
export declare const MnemonicStringZod: z.ZodPipe<z.ZodString, z.ZodTransform<string, string>>;
/** Data contract used by Mnemonic String. */
export type MnemonicString = z.infer<typeof MnemonicStringZod>;
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