/**
 * Sample receipt flows.
 *
 * Realistic, self-contained example receipts for the three flows a prospect's
 * counterparty would actually be handed: an x402 machine payment, a refund, and
 * an agent purchase. Each carries a policy version, a delegated scope, a
 * decision, a transaction reference, a provider, and an amount.
 *
 * These are SAMPLE parameters (fixed, illustrative). The signature and hash are
 * REAL when signed by the CLI. Metadata only — never any prompt/completion.
 *
 * Patent notice: Protected by U.S. patent-pending technology
 * (App. Nos. 63/983,615; 63/983,621; 63/983,843; 63/984,626;
 * 64/071,781; 64/071,789).
 */
import type { SpendDecision, SpendScope } from '../types';
export type SampleFlow = 'x402-payment' | 'refund' | 'agent-purchase';
export declare const SAMPLE_FLOWS: SampleFlow[];
export declare function isSampleFlow(value: string): value is SampleFlow;
export interface SampleReceiptSpec {
    flow: SampleFlow;
    scope: SpendScope;
    decision: SpendDecision;
    /** Metadata-only context describing the flow (delegated scope, tx ref, etc.). */
    context: Record<string, unknown>;
}
export declare function buildSampleReceipt(flow: SampleFlow): SampleReceiptSpec;
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