sandbox/src/main/java/org/robolectric/internal/bytecode/ClassInstrumentor.java
private boolean isGregorianCalendarBooleanConstructor(MethodInsnNode targetMethod) {
    return targetMethod.owner.equals("java/util/GregorianCalendar") &&
        targetMethod.name.equals("<init>") &&
        targetMethod.desc.equals("(Z)V");
  }
private boolean isGregorianCalendarBooleanConstructor(MethodInsnNode targetMethod) {
    return targetMethod.owner.equals("java/util/GregorianCalendar") &&
        targetMethod.name.equals("<init>") &&
        targetMethod.desc.equals("(Z)V");
  }
Verifies if the @targetMethod is a `<init>(boolean)` constructor for
{@link java.util.GregorianCalendar}.