public static void putAccountRegistrationRequestUsername(final RequestContext requestContext, final String username) {
        requestContext.getConversationScope().put("accountRegistrationRequestUsername", username);
    }
Put account registration request username.

@param requestContext the request context
@param username       the username
support/cas-server-support-account-mgmt/src/main/java/org/apereo/cas/acct/AccountRegistrationUtils.java