code: // Licensed to the Software Freedom Conservancy (SFC) under one
  // or more contributor license agreements.  See the NOTICE file
  // distributed with this work for additional information
  // regarding copyright ownership.  The SFC licenses this file
  // to you under the Apache License, Version 2.0 (the
  // "License"); you may not use this file except in compliance
  // with the License.  You may obtain a copy of the License at
  //
  //   http://www.apache.org/licenses/LICENSE-2.0
  //
  // Unless required by applicable law or agreed to in writing,
  // software distributed under the License is distributed on an
  // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  // KIND, either express or implied.  See the License for the
  // specific language governing permissions and limitations
  // under the License.
  
  package org.openqa.selenium.support.ui;
  
  import java.util.List;
  import org.openqa.selenium.WebElement;
  
  /**
   * Created by evgeniyat on 13.05.16
   *
   * <p>ISelect interface makes a protocol for all kind of select elements (standard html and custom
   * model)
   */
  public interface ISelect {
  
    /**
     * @return Whether this select element supports selecting multiple options at the same time? This
     *     is done by checking the value of the "multiple" attribute.
     */
    boolean isMultiple();
  
    /**
     * @return All options belonging to this select tag
     */
    List<WebElement> getOptions();
  
    /**
     * @return All selected options belonging to this select tag
     */
    List<WebElement> getAllSelectedOptions();
  
    /**
     * @return The first selected option in this select tag (or the currently selected option in a
     *     normal select)
     */
    WebElement getFirstSelectedOption();
  
    /**
     * Select all options that display text matching the argument. That is, when given "Bar" this
     * would select an option like:
     *
     * <p>&lt;option value="foo"&gt;Bar&lt;/option&gt;
     *
     * @param text The visible text to match against
     */
    void selectByVisibleText(String text);
  
    /**
     * Select the option at the given index. This is done by examining the "index" attribute of an
     * element, and not merely by counting.
     *
     * @param index The option at this index will be selected
     */
    void selectByIndex(int index);
  
    /**
     * Select all options that have a value matching the argument. That is, when given "foo" this
     * would select an option like:
     *
     * <p>&lt;option value="foo"&gt;Bar&lt;/option&gt;
     *
     * @param value The value to match against
     */
    void selectByValue(String value);
  
    /**
     * Clear all selected entries. This is only valid when the SELECT supports multiple selections.
     */
    void deselectAll();
  
    /**
     * Deselect all options that have a value matching the argument. That is, when given "foo" this
     * would deselect an option like:
     *
     * <p>&lt;option value="foo"&gt;Bar&lt;/option&gt;
     *
     * @param value The value to match against
     */
    void deselectByValue(String value);
  
    /**
     * Deselect the option at the given index. This is done by examining the "index" attribute of an
     * element, and not merely by counting.
     *
     * @param index The option at this index will be deselected
     */
    void deselectByIndex(int index);
  
    /**
     * Deselect all options that display text matching the argument. That is, when given "Bar" this
     * would deselect an option like:
     *
     * <p>&lt;option value="foo"&gt;Bar&lt;/option&gt;
     *
     * @param text The visible text to match against
     */
    void deselectByVisibleText(String text);
  }
  