import { Hex } from 'viem';
export type PopWitnessVerdict = {
    readonly kind: "p2tr-verified";
} | {
    readonly kind: "p2wpkh-verified";
};
/**
 * Decode a consensus-encoded PoP witness and verify it against the
 * depositor's key: Schnorr for the P2TR shape, ECDSA over the BIP-322
 * P2WPKH virtual transaction for the two-item shape.
 *
 * @param messageBytes     - Bytes of the PoP message that was signed.
 * @param depositorXOnlyHex - Depositor x-only pubkey, bare 64-char hex
 *                            (enforced, not assumed).
 * @param witnessHex       - 0x-prefixed consensus-encoded witness.
 * @throws If the witness is malformed, has an unsupported item count, the
 *         depositor key is not bare x-only hex, the witness pubkey is not
 *         the depositor's, or the signature does not verify.
 */
export declare function verifyPopWitness(messageBytes: Uint8Array, depositorXOnlyHex: string, witnessHex: Hex): PopWitnessVerdict;
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