Type Alias: UMIncomeType

type UMIncomeType = 
  | "TRANSFER"
  | "WELCOME_BONUS"
  | "REALIZED_PNL"
  | "FUNDING_FEE"
  | "SPECIAL_FUNDING_FEE"
  | "COMMISSION"
  | "INSURANCE_CLEAR"
  | "REFERRAL_KICKBACK"
  | "COMMISSION_REBATE"
  | "API_REBATE"
  | "CONTEST_REWARD"
  | "CROSS_COLLATERAL_TRANSFER"
  | "OPTIONS_PREMIUM_FEE"
  | "OPTIONS_SETTLE_PROFIT"
  | "INTERNAL_TRANSFER"
  | "AUTO_EXCHANGE"
  | "DELIVERED_SETTELMENT"
  | "COIN_SWAP_DEPOSIT"
  | "COIN_SWAP_WITHDRAW"
  | "POSITION_LIMIT_INCREASE_FEE";