this.signature = signature;
  protected VM_Member(VM_TypeReference declaringClass, VM_MemberReference memRef,                      int modifiers, VM_Annotation runtimeVisibleAnnotations[],                      VM_Annotation runtimeInvisibleAnnotations[])  {    super(runtimeVisibleAnnotations, runtimeInvisibleAnnotations);    this.declaringClass = declaringClass;    this.memRef = memRef;    this.modifiers = modifiers;    this.offset = -1; // invalid value. Set to valid value during VM_Class.resolve()  }