import { Notation } from './types.gen';
/**
 * Converts a number to a string representation with a specified precision and notation.
 *
 * @param value - The number to be converted.
 * @param precision - The number of decimal places to include in the output. Must be between 0 and 20.
 * @param notation - The notation to use for the conversion. Can be "standard", "scientific", or "engineering".
 * @returns The string representation of the number.
 *
 * Edge cases:
 * - If the value is `NaN`, returns "NaN".
 * - If the value is `Infinity`, returns "∞".
 * - If the value is `-Infinity`, returns "-∞".
 * - Scientific and engineering output is renormalized after rounding so the mantissa
 *   stays in its canonical range (|m| < 10 for scientific, |m| < 1000 for engineering).
 *   For example, 9.999 at precision 1 in scientific renders as "1.0ᴇ1", not "10.0ᴇ0".
 *
 * Examples:
 *
 * ```typescript
 * stringifyNumber(1234.5678, 2, "standard"); // "1234.57"
 * stringifyNumber(1234.5678, 2, "scientific"); // "1.23ᴇ3"
 * stringifyNumber(1234.5678, 2, "engineering"); // "1.23ᴇ3"
 * stringifyNumber(0.0001234, 4, "standard"); // "0.0001"
 * stringifyNumber(0.0001234, 4, "scientific"); // "1.2340ᴇ-4"
 * stringifyNumber(0.0001234, 4, "engineering"); // "123.4000ᴇ-6"
 * stringifyNumber(NaN, 2, "standard"); // "NaN"
 * stringifyNumber(Infinity, 2, "standard"); // "∞"
 * stringifyNumber(-Infinity, 2, "standard"); // "-∞"
 * ```
 */
export declare const stringifyNumber: (value: number | bigint, precision: number, notation: Notation) => string;
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