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// 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.interactions;

import com.google.common.collect.ImmutableList;

import org.openqa.selenium.WebElement;
import org.openqa.selenium.interactions.internal.KeysRelatedAction;
import org.openqa.selenium.interactions.internal.Locatable;

import java.util.List;
import java.util.Objects;

/**
 * Sending a sequence of keys to an element.
 *
 * @deprecated Use {@link Actions#sendKeys(WebElement, CharSequence...)}
 */
@Deprecated
public class SendKeysAction extends KeysRelatedAction implements Action {
  private final CharSequence[] keysToSend;

  public SendKeysAction(
      Keyboard keyboard,
      Mouse mouse,
      Locatable locationProvider,
      CharSequence... keysToSend) {
    super(keyboard, mouse, locationProvider);

    if (keysToSend == null) {
      throw new IllegalArgumentException("Keys should be a not null CharSequence");
    }
    this.keysToSend = keysToSend;
  }

  public SendKeysAction(Keyboard keyboard, Mouse mouse, CharSequence... keysToSend) {
    this(keyboard, mouse, null, keysToSend);
  }

  public void perform() {
    focusOnElement();

    keyboard.sendKeys(keysToSend);
  }

  @Override
  public List<Interaction> asInteractions(PointerInput mouse, KeyInput keyboard) {
    ImmutableList.Builder<Interaction> interactions = ImmutableList.builder();

    optionallyClickElement(mouse, interactions);

    for (CharSequence keys : keysToSend) {
      keys.codePoints().forEach(codePoint -> {
        interactions.add(keyboard.createKeyDown(codePoint));
        interactions.add(keyboard.createKeyUp(codePoint));
      });
    }

    return interactions.build();
  }
}

@@ -1578,16 +1578,42 @@
  == null
+ %7C%7C keysToSend.length == 0
 ) %7B%0A    

Attempt to fix the build: varargs are never null