/**
 * Capability manifest (`/.well-known/arispay.json`) — build + validate.
 *
 * The canonical shape is docs/paygate-v2.md §9, serialized by apps/api's
 * `buildCapabilityManifest` for hosted merchants. This module mirrors that
 * contract for ACCOUNT-FREE sellers (`paygate wrap`): the seller hosts its
 * own manifest on its own origin. The shape is mirrored, not imported —
 * paygate ships without workspace deps.
 *
 * v1 manifests are UNSIGNED. Signing rides the S1 artifact envelope
 * (docs/specs/artifact-signing-v1.md) and lands with the discovery session;
 * no seller keypair is generated here (M2M security invariant: no new
 * payment-key generation, and no signing key until a spec needs one).
 */
export declare const USDC_BASE_MAINNET = "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913";
export declare const USDC_BASE_SEPOLIA = "0x036CbD53842c5426634e7929541eC2318f3dCF7e";
export declare const EURC_BASE_MAINNET_ADDR = "0x60a3E35Cc302bFA44Cb288Bc5a4F316Fdb1adb42";
export interface ManifestRail {
    scheme: "x402" | "arispay-metered";
    /** CAIP-2, e.g. "eip155:8453". */
    network: string;
    /** Token contract address. */
    asset: string;
    assetName: string;
    payTo: string;
    facilitator: string;
}
export interface ManifestProduct {
    path: string;
    method: string;
    priceCents: number;
    description?: string;
}
export interface CapabilityManifestV1 {
    version: "1";
    merchant: {
        slug: string;
        name: string;
    };
    trust: {
        minTier: "any" | "payagent-verified";
    };
    rails: ManifestRail[];
    products?: ManifestProduct[];
    updated: string;
}
export interface BuildSellerManifestOptions {
    slug: string;
    name: string;
    wallet: string;
    /** CAIP-2 network. */
    network: string;
    asset: string;
    assetName: string;
    facilitator: string;
    products: ManifestProduct[];
    /** Injected for reproducible builds; defaults to now. */
    updated?: Date;
}
export declare function buildSellerManifest(opts: BuildSellerManifestOptions): CapabilityManifestV1;
export type ManifestValidation = {
    ok: true;
    manifest: CapabilityManifestV1;
} | {
    ok: false;
    errors: string[];
};
/**
 * Strict structural validation against the canonical §9 contract. Unknown
 * extra fields are tolerated (the hosted builder may add fields additively);
 * required fields and shapes are not negotiable.
 */
export declare function validateCapabilityManifest(value: unknown): ManifestValidation;
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