protected void initOptionalArguments(ArgumentWithoutValue lastRequired) {
RequestParamArgWithValue username = new RequestParamArgWithValue("user-name", this, "--username");
username.addRequiredPreceding(lastRequired);
RequestParamArgWithValue password = new RequestParamArgWithValue("password", this, "--password");
password.addRequiredPreceding(lastRequired);
RequestParamArgWithoutValue useJavaContext = new RequestParamArgWithoutValue("use-java-context", this);
useJavaContext.addRequiredPreceding(lastRequired);
RequestParamArgWithValue maxPoolSize = new RequestParamArgWithValue("max-pool-size", this);