Method nullValue

gson/src/main/java/com/google/gson/stream/JsonWriter.java:666–679

Encodes {@code null}. @return this writer.

()

   * @return this writer.
   */
  @CanIgnoreReturnValue
  public JsonWriter nullValue() throws IOException {
    if (deferredName != null) {
      if (serializeNulls) {
        writeDeferredName();
      } else {
        deferredName = null;
        return this; // skip the name and the value
      }
    }
    beforeValue();
    out.write("null");
    return this;
  }

  /**
   * Writes {@code value} directly to the writer without quoting or escaping. This might not be