Extensions for applying the protection:
x-42c-jwt-validation_0.1
x-42c-jwt-validation-ec_0.1
x-42c-jwt-validation-hmac_0.1
x-42c-jwt-validation-rsa_0.1
x-42c-jwt-validation_0.2
x-42c-jwt-validation-ec_0.2
x-42c-jwt-validation-hmac_0.2
x-42c-jwt-validation-rsa_0.2
x-42c-jwt-validation_0.3
x-42c-jwt-validation-ec_0.3
x-42c-jwt-validation-hmac_0.3
x-42c-jwt-validation-rsa_0.3
The numbers at the end of the extension denote the version of the protection: for example, x-42c-jwt-validation_0.1 applies the version 0.1 of the protection, x-42c-jwt-validation_0.2 the version 0.2, and so forth.