public Builder setAutoHandler(boolean autoHandler) {
      this.autoHandler = autoHandler;
      return this;
    }
<p>Automatically create a handler if possible ? Default to true</p>

<p>See {@link Shell.Interactive} for further details on threading and handlers</p>

@param autoHandler
    Auto-create handler ?
@return This Builder object for method chaining
imitate/src/main/java/com/engineer/imitate/shell/Shell.java