@Override
  public byte[] engineExport(int length, byte[] exporterContext) {
      return (byte[]) invokeNoChecked("engineExport", length, exporterContext);
  }
Duck typed implementation of {@link HpkeSpi}.
<p>
Will wrap any Object which implements all of the methods in HpkeSpi and delegate to them
by reflection.
common/src/main/java/org/conscrypt/DuckTypedHpkeSpi.java