public <ParametersT extends Parameters, SerializationT extends Serialization>
      boolean hasSerializerForParameters(
          ParametersT parameters, Class<SerializationT> serializationClass) {
    return registry.get().hasSerializerForParameters(parameters, serializationClass);
  }
Returns true if a parser for this {@code serializedKey} has been registered.
java_src/src/main/java/com/google/crypto/tink/internal/MutableSerializationRegistry.java