updater/src/com/intellij/updater/UpdaterUI.java

package com.intellij.updater;

import java.util.List;
import java.util.Map;

public interface UpdaterUI {
  void startProcess(String title);

  void setProgress(int percentage);

  void setProgressIndeterminate();

  void setStatus(String status);

  void showError(Throwable e);

  void checkCancelled() throws OperationCancelledException;

  Map<String, ValidationResult.Option> askUser(List<ValidationResult> validationResults) throws OperationCancelledException;
}