import type { FiatStepResponse } from '@fun-xyz/fiat-contract/types';
/**
 * What a transition landed on, in fields safe to log.
 *
 * - The state reached, what it left to press, and any refusal — never the
 *   envelope, and never a transition's params.
 */
export declare function describeStep(stepResponse: FiatStepResponse): Record<string, string>;
/**
 * `GET /fiat/orders/o_31c` becomes `GET /fiat/orders/:id`.
 *
 * - Bodies are redacted wholesale here, so a ref reaching a log line through
 *   the path is the same value arriving by another door.
 */
export declare function endpointShape(endpoint: string): string;
/**
 * A step that should have offered a way on and did not.
 *
 * - The table says which states may legally carry none — `BLOCKED` and a
 *   rejection are endings, `ON_HOLD` and `FUN_AUTH` simply have no button.
 *   Asking it beats a hand-kept list that silently rots as states are added.
 * - So this is the server contradicting its own contract, which is why it is
 *   worth a warning rather than a note.
 */
export declare function isDeadEnd(stepResponse: FiatStepResponse): boolean;
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