BigNumberSchema variable

Signature:

BigNumberSchema: z.ZodEffects<
  z.ZodUnion<
    [
      z.ZodString,
      z.ZodNumber,
      z.ZodBigInt,
      z.ZodType<BigNumber, z.ZodTypeDef, BigNumber>,
    ]
  >,
  BigNumber,
  string | number | bigint | BigNumber
>;