*
   * <p>See {@link #verify(boolean, String, Object...)} for details.
   *
   * @since 23.1 (varargs overload since 17.0)
   */
  public static void verify(
      boolean expression,
      String errorMessageTemplate,
      @CheckForNull Object p1,
      @CheckForNull Object p2,
      @CheckForNull Object p3,
      @CheckForNull Object p4) {
    if (!expression) {

@GwtCompatible(emulated = true)
@ElementTypesAreNonnullByDefault
public class Helpers {
  // Clone of Objects.equal
  static boolean equal(@Nullable Object a, @Nullable Object b) {
    return a == b || (a != null && a.equals(b));
  }

  // Clone of Lists.newArrayList
  public static <E extends @Nullable Object> List<E> copyToList(Iterable<? extends E> elements) {
    List<E> list = new ArrayList<>();
    addAll(list, elements);

import org.codehaus.plexus.interpolation.BasicInterpolator;
import org.codehaus.plexus.interpolation.StringSearchInterpolator;
import org.codehaus.plexus.logging.Logger;

import static java.util.Objects.requireNonNull;

/**
 * Various utilities, mostly to bridge "old" and "new" stuff, like Properties vs Maps, File vs Paths, etc.
 */
public final class Utils {
    private Utils() {}

    @Nullable

  rotating credentials.

- Access to bucket(s) and object(s) are governed via IAM policies associated with the incoming
  login credentials.

- Allows authentication and access for all
  - Built-in IDP users and their respective service accounts
  - LDAP/AD users and their respective service accounts
  - OpenID/OIDC service accounts

- On versioned buckets, FTP/SFTP only operates on latest objects, if you need to retrieve

  /*
   * J2CL's EnumMap does not need the Class instance, so we can use Object.class instead. (Or we
   * could use null, but that messes with our nullness checking, including under J2KT. We could
   * probably work around it by changing how we annotate the J2CL EnumMap, but that's probably more
   * trouble than just using Object.class.)
   *

  /*
   * J2CL's EnumMap does not need the Class instance, so we can use Object.class instead. (Or we
   * could use null, but that messes with our nullness checking, including under J2KT. We could
   * probably work around it by changing how we annotate the J2CL EnumMap, but that's probably more
   * trouble than just using Object.class.)
   *

      return Iterators.peekingIterator(iterator);
    }

    @Override
    protected void verify(List<T> elements) {
      // verify same objects were removed from reference and target
      assertEquals(elements, targetList);
    }
  }

  private <T extends @Nullable Object> void actsLikeIteratorHelper(final List<T> list) {
    // Check with modifiable copies of the list
    new PeekingIteratorTester<T>(list).test();

    TypeVariableKey(TypeVariable<?> var) {
      this.var = checkNotNull(var);
    }

    @Override
    public int hashCode() {
      return Objects.hashCode(var.getGenericDeclaration(), var.getName());
    }

    @Override
    public boolean equals(@CheckForNull Object obj) {
      if (obj instanceof TypeVariableKey) {
        TypeVariableKey that = (TypeVariableKey) obj;
        return equalsTypeVariable(that.var);

    return result
  }

  override fun toString(): String {
    if (!isTls) return "ConnectionSpec()"

    return (
      "ConnectionSpec(" +
        "cipherSuites=${Objects.toString(cipherSuites, "[all enabled]")}, " +
        "tlsVersions=${Objects.toString(tlsVersions, "[all enabled]")}, " +
        "supportsTlsExtensions=$supportsTlsExtensions)"
    )
  }

  class Builder {
    internal var tls: Boolean = false

      return columnComparator();
    }

    int compare(Object a, Object b) {
      // pretend we can compare anything
      @SuppressWarnings("unchecked")
      Comparator<Object> cmp = (Comparator<Object>) comparator();
      return cmp.compare(a, b);
    }

    boolean rangeContains(@CheckForNull Object o) {
      return o != null
          && (lowerBound == null || compare(lowerBound, o) <= 0)