Method syntaxError

src/main/java/com/google/gson/stream/JsonReader.java:1110–1112

Throws a new IO exception with the given message and a context snippet with this reader's content.

(String message)

   * with this reader's content.
   */
  private IOException syntaxError(String message) throws IOException {
    throw new MalformedJsonException(message + " near " + getSnippet());
  }

  private CharSequence getSnippet() {
    StringBuilder snippet = new StringBuilder();