import type { HttpPaymentStatusResponse } from "@aibtc/tx-schemas/http";
import type { CanonicalPaymentDecision } from "./x402-payment-state.js";
type PaymentLogEvent = "payment.accepted" | "payment.poll" | "payment.finalized" | "payment.retry_decision" | "payment.fallback_used";
interface PaymentLogFields {
    tool: string;
    paymentId?: string | null;
    status?: string | null;
    terminalReason?: string | null;
    action?: string | null;
    checkStatusUrl?: string | null;
    compatShimUsed?: boolean;
}
export declare function emitPaymentLog(event: PaymentLogEvent, fields: PaymentLogFields): void;
export declare function emitCanonicalPaymentPollLogs(details: {
    tool: string;
    paymentId?: string | null;
    checkStatusUrl: string;
    source: "canonical_hint" | "compat_fallback";
}): boolean;
export declare function emitCanonicalPaymentDecisionLogs(details: {
    tool: string;
    status: HttpPaymentStatusResponse;
    decision: CanonicalPaymentDecision;
    compatShimUsed: boolean;
}): void;
export {};
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