private static int PushLocalFrame(VM_JNIEnvironment env) {
private static int PushLocalFrame(VM_JNIEnvironment env, int capacity) {
  private static int PushLocalFrame(VM_JNIEnvironment env) {    if (traceJNI) VM.sysWrite("JNI called: PushLocalFrame \n");       VM.sysWrite("JNI ERROR: PushLocalFrame not implemented yet, exiting ...\n");    VM.sysExit(VM.exitStatusUnsupportedInternalOp);    return -1;   }