// Type definitions for bignumber.js >=8.1.0
// Project: https://github.com/MikeMcl/bignumber.js
// Definitions by: Michael Mclaughlin <https://github.com/MikeMcl>
// Definitions: https://github.com/MikeMcl/bignumber.js

// Documentation: http://mikemcl.github.io/bignumber.js/
//
//   class     BigNumber
//   type      BigNumber.Constructor
//   type      BigNumber.ModuloMode
//   type      BigNumber.RoundingMode
//   type      BigNumber.Value
//   interface BigNumber.Config
//   interface BigNumber.Format
//   interface BigNumber.Instance
//
// Example:
//
//   import {BigNumber} from "bignumber.js"
//   //import BigNumber from "bignumber.js"
//
//   let rm: BigNumber.RoundingMode = BigNumber.ROUND_UP;
//   let f: BigNumber.Format = { decimalSeparator: ',' };
//   let c: BigNumber.Config = { DECIMAL_PLACES: 4, ROUNDING_MODE: rm, FORMAT: f };
//   BigNumber.config(c);
//
//   let v: BigNumber.Value = '12345.6789';
//   let b: BigNumber = new BigNumber(v);
//
// The use of compiler option `--strictNullChecks` is recommended.

declare namespace BigNumber {

  /** See `BigNumber.config` (alias `BigNumber.set`) and `BigNumber.clone`. */
  interface Config {

    /**
     * An integer, 0 to 1e+9. Default value: 20.
     *
     * The maximum number of decimal places of the result of operations involving division, i.e.
     * division, square root and base conversion operations, and exponentiation when the exponent is
     * negative.
     *
     * ```ts
     * BigNumber.config({ DECIMAL_PLACES: 5 })
     * BigNumber.set({ DECIMAL_PLACES: 5 })
     * ```
     */
    DECIMAL_PLACES?: number;

    /**
     * An integer, 0 to 8. Default value: `BigNumber.ROUND_HALF_UP` (4).
     *
     * The rounding mode used in operations that involve division (see `DECIMAL_PLACES`) and the
     * default rounding mode of the `decimalPlaces`, `precision`, `toExponential`, `toFixed`,
     * `toFormat` and `toPrecision` methods.
     *
     * The modes are available as enumerated pro