/**
 * Standard-scriptPubKey validation for registry-supplied payout destinations.
 *
 * RFC-006 lets an operator register an arbitrary payout scriptPubKey, so the
 * bytes we pin a `PayoutTx` output against are now chosen by that operator
 * rather than derived by us. Pinning an output to them without checking the
 * shape would let a keeper that registered a garbage or unspendable script get
 * the depositor to pre-sign a payout nobody can ever claim.
 *
 * This bound is ours alone — it is deliberately NOT parity with `vaultd`.
 * `vaultd` uses registry scripts verbatim at graph-build time and documents
 * why: applying a predicate the contract does not apply would block every
 * peg-in for an operator the instant the two disagreed. The registry itself
 * only bounds length to 1..128 bytes, and the registration CLI has an
 * `--allow-non-standard` escape hatch.
 *
 * We hold the stricter line because we occupy a different position: we are the
 * party being asked to *pre-sign* against these bytes, and a depositor
 * signature pinned to a provably unspendable output is not recoverable. The
 * bound is also load-bearing for the payout fee band — capping a standard
 * output at 34 bytes is what lets `assertPayoutFeeBand` reason about `outs[1]`
 * without a separate length cap.
 *
 * The deliberate consequence: an operator that registers a non-standard script
 * via `--allow-non-standard` can have its graphs built by `vaultd` and still be
 * refused here, blocking deposits against that operator in this dApp. That is
 * fail-closed by choice — the alternative is pre-signing into a destination we
 * cannot verify is spendable.
 *
 * @module primitives/psbt/standardPayoutScript
 */
/**
 * Assert a registry-supplied scriptPubKey is a standard, spendable output type
 * (P2TR, P2WPKH, P2WSH, P2PKH, or P2SH).
 *
 * Rejects empty scripts, `OP_RETURN` (provably unspendable), and anything else
 * that is not one of the five standard forms. `label` names the source in the
 * error, e.g. `vault keeper payout script (admin=0x…)`.
 */
export declare function assertStandardPayoutScript(scriptHex: string, label: string): void;
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