public Type getInitializedType() {
    if (initializedType == null) {
      throw new IllegalArgumentException("initialized type: " + descriptor);
    }

    return initializedType;
  }
Gets the initialized type corresponding to this instance, but only if this instance is in fact
an uninitialized object type.

@return {@code non-null;} the initialized type
android/android_framework/dex-maker/src/main/java/com/android/dx/rop/type/Type.java