public String getAuthorizationUrl(Map<String, String> additionalParams) {
        return createAuthorizationUrlBuilder()
                .additionalParams(additionalParams)
                .build();
    }
public String getAuthorizationUrl ( Map < String , String > additionalParams ) { return createAuthorizationUrlBuilder ( ) . additionalParams ( additionalParams ) . build ( ) ; }
Returns the URL where you should redirect your users to authenticate your application.

@param additionalParams any additional GET params to add to the URL
@return the URL where you should redirect your users