ENUM
enum CustodianSecurityClassIdentifier {CFDSTOCKFUNDCERTIFICATEWARRANTBONDFUTUREOPTIONCOMMODITYCASH_AT_SIGHTTIME_DEPOSITCALL_MONEYFX_SPOTFX_FORWARDSWAPCDSCOLLATERALLENDINGLOANPRIVATE_EQUITYCAPITAL_CALLCAPITAL_COMMITMENTREAL_ESTATE}