code: public Class getDiscriminatoryDataType() {
          if (tc.isEntryEnabled())
              SibTr.entry(this, tc, "getDiscriminatorDataType");
          if (tc.isEntryEnabled())
              SibTr.exit(this, tc, "getDiscriminatorDataType");
          return com.ibm.wsspi.bytebuffer.WsByteBuffer.class; // F188491
      }
docs: Returns the data type this discriminator is able to discriminate for.
  This is always WsByteBuffer.