/**
 * Read entire stdin (for piping JSON) or a file when `filePath` is set.
 */
export declare function readUtf8FromFileOrStdin(filePath?: string): Promise<string>;
export declare function parseJsonObject(raw: string, label: string): Record<string, unknown>;
/**
 * Seed-style `{ data, scope?, relations? }` becomes native upsert input
 * `{ ...dataFields, scope?, relations? }` as expected by {@link stripReservedWriteFields}.
 */
export declare function normalizeNativeUpsertBody(o: Record<string, unknown>): Record<string, unknown>;
/** Same normalization for patch bodies that only touch `data`. */
export declare function normalizeNativePatchBody(o: Record<string, unknown>): Record<string, unknown>;
/**
 * Parse one JSON array of objects, or NDJSON (one JSON object per line).
 */
export declare function parseJsonArrayOrNdjson(raw: string, label: string): Array<Record<string, unknown>>;
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