@Override
    public boolean hasIdRequirement() {
      return outputPrefixType != OutputPrefixType.RAW;
    }
An implementation of Parameters which is returned by LegacyProtoKey.

<p>In contrast to LegacyProtoParameters, this cannot be used to create a new LegacyProtoKey
object.
java_src/src/main/java/com/google/crypto/tink/internal/LegacyProtoKey.java