/** Versioned transport framing; the reconstructed BRC-40 request/response is unchanged. */
export interface SyncTransferCapabilities {
    version: 1;
    maxBytes: number;
    partBytes: number;
    inlineBytes?: number;
}
export interface SyncTransferManifest {
    transferId: string;
    digest: string;
    totalBytes: number;
    partBytes: number;
    expiresAt: number;
}
export interface SyncTransferPart {
    offset: number;
    bytes: Uint8Array;
}
export declare const SYNC_TRANSFER_MAX_BYTES: number;
export declare const SYNC_TRANSFER_PART_BYTES: number;
export declare function syncTransferDigest(bytes: Uint8Array): string;
/** A length-prefixed JSON metadata header followed by raw byte fields, without base64 expansion. */
export declare function encodeSyncTransfer(value: unknown): Uint8Array;
export declare function decodeSyncTransfer(bytes: Uint8Array): unknown;
export declare function validateSyncTransferCapabilities(value: SyncTransferCapabilities): SyncTransferCapabilities;
export declare function validateSyncTransferManifest(value: SyncTransferManifest, capabilities: SyncTransferCapabilities): SyncTransferManifest;
/** Read-only part retries never advance the wallet's durable BRC-40 checkpoint. */
export declare function receiveSyncTransfer(manifest: SyncTransferManifest, read: (offset: number) => Promise<SyncTransferPart>): Promise<unknown>;
//# sourceMappingURL=SyncTransfer.d.ts.map