/**
 * `paygate doctor <url>` — read-only x402 seller readiness check.
 *
 * The network path is deliberately tiny: one GET, no auth, no payment
 * headers, redirects disabled. It can inspect a 402 challenge but cannot pay.
 */
export interface DoctorCheck {
    id: "unpaid-402" | "resource-url" | "x402-version" | "base-network" | "asset" | "bazaar";
    ok: boolean;
    message: string;
}
export interface DoctorReport {
    ok: boolean;
    url: string;
    status?: number;
    checks: DoctorCheck[];
    error?: string;
}
interface DoctorIO {
    stdout: (value: string) => void;
    stderr: (value: string) => void;
}
interface DoctorOptions {
    fetchImpl?: typeof fetch;
    timeoutMs?: number;
}
export declare function validateDoctorChallenge(requestedUrl: string, status: number, body: unknown): DoctorReport;
export declare function doctorUrl(url: string, options?: DoctorOptions): Promise<DoctorReport>;
export declare const DOCTOR_HELP_TEXT = "paygate doctor <https-url> [--json]\n\nRead-only Base mainnet readiness check. Sends one unpaid, unauthenticated GET\nwith redirects disabled and validates:\n  HTTP 402 \u00B7 HTTPS resource URL \u00B7 x402 v2 \u00B7 Base mainnet\n  official USDC/EURC asset \u00B7 Bazaar discovery metadata\n\nAliases:\n  paygate check <https-url>\n";
export declare function runDoctor(argv: string[], io?: DoctorIO, options?: DoctorOptions): Promise<number>;
export {};
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