BigNumberishSchema

let BigNumberishSchema: ZodEffects<
  ZodEffects<
    ZodUnion<
      [
        ZodString,
        ZodNumber,
        ZodBigInt,
        ZodType<BigNumber, ZodTypeDef, BigNumber>,
      ]
    >,
    BigNumber,
    string | number | bigint | BigNumber
  >,
  string,
  string | number | bigint | BigNumber
>;