import type { QuackRow, QuackValue } from "./vector";
/** JSON-safe representation of a Quack value. */
export type QuackJsonValue = null | boolean | number | string | QuackJsonValue[] | {
    [key: string]: QuackJsonValue;
};
/** JSON-safe row object keyed by column name. */
export type QuackJsonRow = Record<string, QuackJsonValue>;
/** Options controlling how Quack-specific values are converted to JSON. */
export interface QuackJsonOptions {
    /** How bigint values are converted. Defaults to `string`. */
    bigint?: "string" | "number";
    /** How binary values are converted. Defaults to `base64`. */
    bytes?: "base64" | "hex" | "array";
    /** How DECIMAL values are converted. Defaults to `string`. */
    decimal?: "string" | "tagged";
    /** How DATE values are converted. Defaults to `iso`. */
    date?: "iso" | "tagged";
    /** How TIME values are converted. Defaults to `string`. */
    time?: "string" | "tagged";
    /** How TIMESTAMP values are converted. Defaults to `iso`. */
    timestamp?: "iso" | "tagged";
    /** How INTERVAL values are converted. Defaults to `tagged`. */
    interval?: "tagged";
}
/** Convert any Quack value to a JSON-safe value. */
export declare function toJsonValue(value: QuackValue, options?: QuackJsonOptions): QuackJsonValue;
/** Convert one materialized Quack row to a JSON-safe row. */
export declare function toJsonRow(row: QuackRow, options?: QuackJsonOptions): QuackJsonRow;
/** Convert materialized Quack rows to JSON-safe row objects. */
export declare function toJsonRows(rows: readonly QuackRow[], options?: QuackJsonOptions): QuackJsonRow[];