code: public HttpClientBuilder basicAuth(String username, String password) {
  		basicAuthUsername = username;
  		basicAuthPassword = password;
  		return this;
  	}
docs: Turns on a Basic authentication.
  
  @param username	username to send
  @param password	password to send
  @return this
  @see #basicAuthHost(String)
  @see #basicAuthPort(int)