export const encode: {
  /**
   * Encodes `num` into `buffer` starting at `offset`. returns `buffer`, with the encoded varint written into it.
   * `varint.encode.bytes` will now be set to the number of bytes modified.
   */
  (num: number, buffer: Uint8Array, offset?: number): Uint8Array

  /**
   * Encodes `num` into `array` starting at `offset`. returns `array`, with the encoded varint written into it.
   * If `array` is not provided, it will default to a new array.
   * `varint.encode.bytes` will now be set to the number of bytes modified.
   */
  (num: number, array?: number[], offset?: number): number[]

  /**
   * Similar to `decode.bytes` when encoding a number it can be useful to know how many bytes where written (especially if you pass an output array).
   * You can access this via `varint.encode.bytes` which holds the number of bytes written in the last encode.
   */
  bytes: number
}

export const decode: {
  /**
   * Decodes `data`, which can be either a buffer or array of integers, from position `offset` or default 0 and returns the decoded original integer.
   * Throws a `RangeError` when `data` does not represent a valid encoding.
   */
  (buf: Uint8Array | Buffer | number[], offset?: number): number

  /**
   * If you also require the length (number of bytes) that were required to decode the integer you can access it via `varint.decode.bytes`.
   * This is an integer property that will tell you the number of bytes that the last .decode() call had to use to decode.
   */
  bytes: number
}

/**
 * returns the number of bytes this number will be encoded as, up to a maximum of 8.
 */
export function encodingLength (num: number): number
