asAmexOrNull
Casts this DerivationMethodAttributes as a Amex and retrieves its aws.sdk.kotlin.services.paymentcryptographydata.model.AmexAttributes value. Returns null if the DerivationMethodAttributes is not a Amex.
Casts this DerivationMethodAttributes as a Amex and retrieves its aws.sdk.kotlin.services.paymentcryptographydata.model.AmexAttributes value. Returns null if the DerivationMethodAttributes is not a Amex.