for (; ; ) {
      Cell[] as;
      Cell a;
      int n;
      long v;
      if ((as = cells) != null && (n = as.length) > 0) {
        if ((a = as[(n - 1) & h]) == null) {
          if (busy == 0) { // Try to attach new Cell
            Cell r = new Cell(x); // Optimistically create
            if (busy == 0 && casBusy()) {
              boolean created = false;

    for (Constructor<X> constructor : preferringStringsThenThrowables(constructors)) {
      X instance = newFromConstructor(constructor, cause);
      if (instance != null) {
        if (instance.getCause() == null) {
          instance.initCause(cause);
        }
        return instance;
      }
    }
    throw new IllegalArgumentException(

    this.type = checkNotNull(type);
    this.comparator = comparator;
    checkState((type == Type.SORTED) == (comparator != null));
  }

  /** Returns an instance which specifies that no ordering is guaranteed. */
  public static <S> ElementOrder<S> unordered() {
    return new ElementOrder<>(Type.UNORDERED, null);
  }

  /**
   * Returns an instance which specifies that ordering is guaranteed to be always be the same across

    this.type = checkNotNull(type);
    this.comparator = comparator;
    checkState((type == Type.SORTED) == (comparator != null));
  }

  /** Returns an instance which specifies that no ordering is guaranteed. */
  public static <S> ElementOrder<S> unordered() {
    return new ElementOrder<>(Type.UNORDERED, null);
  }

  /**
   * Returns an instance which specifies that ordering is guaranteed to be always be the same across

    assertTrue("An Object should be equal to itself.", collection.equals(collection));
  }

  public void testEquals_null() {
    // noinspection ObjectEqualsNull
    assertFalse("An object should not be equal to null.", collection.equals(null));
  }

  public void testEquals_notACollection() {
    // noinspection EqualsBetweenInconvertibleTypes
    assertFalse(
        "A Collection should never equal an object that is not a Collection.",

        srvsvc.ShareInfo502 info502 = (srvsvc.ShareInfo502)info;
        if (info502.security_descriptor != null) {
            SecurityDescriptor sd;
            sd = new SecurityDescriptor(info502.security_descriptor, 0, info502.sd_size);
            return sd.aces;
        }
        return null;
    }

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

/**
 * The annotated element must not be null.
 * <p>
 * Annotated fields must not be null after construction has completed.
 * <p>
 * When this annotation is applied to a method it applies to the method return value.
 *
 * @see Nullable
 * @since 4.0.0
 */
@Experimental

    /**
     * Builds the effective toolchains of the specified toolchains files.
     *
     * @param request The toolchains building request that holds the parameters, must not be {@code null}.
     * @return The result of the toolchains building, never {@code null}.
     * @throws ToolchainsBuildingException If the effective toolchains could not be built.
     */

     */
    void build(ClassDoc classDoc) {
        ClassMetaData classMetaData = classDoc.getClassMetaData();
        String superClassName = classMetaData.getSuperClassName();
        if (superClassName != null) {
            // Assume this is a class and so has implemented all properties and methods somewhere in the superclass hierarchy
            ClassDoc superClass = model.getClassDoc(superClassName);

        if ( a.atLeast(b) ) {
            return a;
        }
        return b;
    }


    /**
     * @param min
     *            may be null for open end
     * @param max
     *            may be null for open end
     * @return range of versions
     */
    public static Set<DialectVersion> range ( DialectVersion min, DialectVersion max ) {