performAs(actor: PerformsTasks): PromiseLike<void> {
     console.log('Unpublishing walks');
     return actor.attemptsTo(
         Click.on(WalksTargets.unPublishSelected),
         WaitForAlert.toBePresent(),
         Alert.accept(),
         WaitFor.noSelectedWalksToHaveStatus('Published'));
 }

 @step('{0} deletes all walks')
 performAs(actor: PerformsTasks): PromiseLike<void> {
     return actor.attemptsTo(
         Check.whetherPromiseTrue(Presence.of(WalksTargets.selectAll))
             .andIfSo(SelectWalks.all(),
                 Unpublish.selectedWalks(),
                 Delete.selectedWalks())
             .otherwise(Log.message('there are no walks to unpublish or delete')));
 };

 @step('{0} filters walks to show all')
 performAs(actor: PerformsTasks): PromiseLike<void> {
     return actor.attemptsTo(
         Check.whetherPromiseTrue(Presence.of(WalksTargets.clearAll))
             .andIfSo(
                 Hide.target(WalksTargets.chatWindow),
                 ClickWhenReady.on(WalksTargets.itemsPerPagePopup),
                 ClickWhenReady.on(WalksTargets.showAllWalks),
                 WaitFor.ramblersToFinishProcessing())
             .otherwise(Log.message('No filtering required as no walks shown')));
 };

 @step('{0} prepares to upload file #fileName containing #expectedWalks walks')
 performAs(actor: PerformsTasks): PromiseLike<void> {
     console.log(`Uploading file ${this.fileName} containing ${this.expectedWalks} walk(s)`);
     return actor.attemptsTo(
         ClickWhenReady.on(WalksTargets.accordionUpload),
         ClickWhenReady.on(WalksTargets.fileUploadSelectFile),
         Enter.theValue(this.fileName).into(WalksTargets.fileUploadSelectFile),
         ClickWhenReady.on(WalksTargets.uploadWalksButton),
         WaitFor.errorOrCountOfWalksToBe(this.expectedWalks),
         ReportOn.uploadErrors());
 };

 performAs(actor: PerformsTasks): PromiseLike<void> {
     return actor.attemptsTo(
         Enter.theValue(this.contactData.firstName).into(ContactsTargets.firstName),
         Enter.theValue(this.contactData.lastName).into(ContactsTargets.lastName),
         Enter.theValue(this.contactData.displayName).into(ContactsTargets.displayName),
         Enter.theValue(this.contactData.email).into(ContactsTargets.email),
         Enter.theValue(this.contactData.contactNumber).into(ContactsTargets.contactNumber),
         Click.on(ContactsTargets.save),
         SaveBrowserSource.toFile(this.contactData.firstName + this.contactData.lastName + '-post-save.html'),
         Wait.upTo(Duration.ofSeconds(20)).until(ContactsTargets.addAnotherContact, Is.visible()),
         Click.on(ContactsTargets.addAnotherContact),
     );
 }

 @step('{0} logs into Ramblers')
 performAs(actor: PerformsTasks): PromiseLike<void> {
     var username = config.ramblers.gwem.userName;
     var password = config.ramblers.gwem.password;
     return actor.attemptsTo(
         See.if(WalksAndEventsManagerQuestions.LoginStatus, equals('Login')),
         Hide.target(WalksTargets.chatWindow),
         Wait.upTo(Duration.ofSeconds(10)).until(WalksTargets.chatWindow, Is.invisible()),
         Enter.theValue(username).into(WalksTargets.userName),
         Enter.theValue(password).into(WalksTargets.password),
         Click.on(WalksTargets.loginButton),
         See.if(WalksAndEventsManagerQuestions.LoginStatus, equals('Logout')),
     );
 }

 @step('{0} waits for progress indicator to disappear')
 performAs(actor: PerformsTasks): PromiseLike<void> {
     return actor.attemptsTo(
         Wait.upTo(Duration.ofSeconds(TIMEOUT_IN_SECONDS)).until(WalksTargets.progressIndicator, Is.invisible()));
 }

 @step('{0} starts on the walks and events manager')
 performAs(actor: PerformsTasks): PromiseLike<void> {
     return actor.attemptsTo(
         Navigate.to('http://www.ramblers.org.uk/group-walks-and-events-manager.aspx'),
     );
 }

 @step('{0} deselects all walks')
 performAs(actor: PerformsTasks): PromiseLike<void> {
     return actor.attemptsTo(
         Click.on(WalksTargets.clearAll),
         WaitFor.countOfSelectedWalksToBe(0));
 }