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.build;
  
  import java.util.Arrays;
  import java.util.List;
  import java.util.function.Supplier;
  
  public class DevMode {
  
    // There is absolutely no way that this is going to be fragile. No way. Nada. Nope.
    private static final List<Supplier<Boolean>> DEV_MODE_CHECKS =
        Arrays.asList(
            // Check for IntelliJ
            () -> {
              if (System.getProperty("java.class.path", "").contains("idea_rt.jar")) {
                return true;
              }
              try {
                Class.forName("com.intellij.rt.execution.CommandLineWrapper");
                return true;
              } catch (ReflectiveOperationException e) {
                return false;
              }
            },
  
            // Check for Eclipse
            () -> {
              try {
                Class.forName("org.eclipse.jdt.internal.junit4.runner.JUnit4TestLoader");
                return true;
              } catch (ReflectiveOperationException e) {
                return false;
              }
            },
  
            // Allow someone to set a system property
            () -> Boolean.getBoolean("selenium.dev-mode"));
  
    public static boolean isInDevMode() {
      return DEV_MODE_CHECKS.stream().map(Supplier::get).reduce(Boolean::logicalOr).orElse(false);
    }
  }
  