export type CanonicalJsonValue = null | boolean | number | string | CanonicalJsonValue[] | {
    [key: string]: CanonicalJsonValue;
};
export declare const OPENPOND_TRAINING_PROTOCOL_MAJOR: 2;
export declare const OPENPOND_TRAINING_MEDIA_TYPE: "application/vnd.openpond.training+json;version=2";
export declare const OPENPOND_MODEL_PROJECT_MEDIA_TYPE: "application/vnd.openpond.model-project+json;version=2";
export declare const TRAINING_JOB_SUBMISSION_MAX_BYTES = 1048576;
export declare const TRAINING_INPUT_ARTIFACT_MAX_BYTES = 67108864;
export declare const TRAINING_API_RESPONSE_MAX_BYTES = 8388608;
export declare const MODEL_PROJECT_SYNC_MAX_BYTES = 524288;
export declare const MODEL_PROJECT_API_RESPONSE_MAX_BYTES = 8388608;
export declare class OpenPondProtocolError extends Error {
    readonly code: string;
    constructor(code: string, message: string);
}
/**
 * Deterministic JSON used for content-addressed OpenPond protocol objects.
 * Object keys are sorted by Unicode code point, arrays retain their authored
 * order, and non-JSON/non-finite values are rejected rather than coerced.
 */
export declare function canonicalJson(value: unknown): string;
export declare function canonicalJsonByteLength(value: unknown): number;
export declare function canonicalSha256(value: unknown): Promise<string>;
export declare function assertCanonicalPayloadSize(value: unknown, maximumBytes: number, label: string): void;
export declare function parseBoundedJson(text: string, maximumBytes: number, label: string): unknown;
/** Bound the wire body while consuming it, before allocating the complete JSON
 * string. Reader cleanup must never replace the original transport/JSON error. */
export declare function readBoundedJsonResponse(response: Response, maximumBytes: number, label: string): Promise<unknown>;
//# sourceMappingURL=protocol.d.ts.map