code: public Bundler putSparseParcelableArray(String key,
        SparseArray<? extends Parcelable> value) {
      bundle.putSparseParcelableArray(key, value);
      return this;
    }
docs: Inserts a SparceArray of Parcelable values into the mapping of this
  Bundle, replacing any existing value for the given key.  Either key
  or value may be null.
  
  @param key a String, or null
  @param value a SparseArray of Parcelable objects, or null
  @return this