E e = itr2.next();
              if (!set1.contains(e)) {
                return e;
              }
            }
            return endOfData();
          }
        };
      }

      @Override
      public boolean contains(@CheckForNull Object object) {
        return set1.contains(object) || set2.contains(object);
      }

      @Override

        .inOrder();
  }

  public void testCartesianProduct_contains() {
    Set<List<Integer>> actual = Sets.cartesianProduct(set(1, 2), set(3, 4));
    assertTrue(actual.contains(list(1, 3)));
    assertTrue(actual.contains(list(1, 4)));
    assertTrue(actual.contains(list(2, 3)));
    assertTrue(actual.contains(list(2, 4)));
    assertFalse(actual.contains(list(3, 1)));
  }

  public void testCartesianProduct_equals() {

	},
	ErrInvalidObjectName: {
		Code:           "XMinioInvalidObjectName",
		Description:    "Object name contains unsupported characters.",
		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrInvalidObjectNamePrefixSlash: {
		Code:           "XMinioInvalidObjectName",
		Description:    "Object name contains a leading slash.",
		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrInvalidResourceName: {

                        The requirements are ANDed.
                      items:
                        description: A label selector requirement is a selector that
                          contains values, a key, and an operator that relates the
                          key and values.
                        properties:
                          key:

                                "should use a variable instead of a hard-coded path " + sysPath,
                                dependency);
                    } else if (sysPath.contains("${basedir}") || sysPath.contains("${project.basedir}")) {
                        addViolation(
                                problems,
                                Severity.WARNING,
                                Version.V20,

    assertThat(types).contains(TypeToken.of(Object.class));
    assertThat(types.rawTypes()).contains(Object.class);
    assertThat(types.interfaces()).isEmpty();
    assertThat(types.interfaces().rawTypes()).isEmpty();
    assertThat(types.classes()).contains(TypeToken.of(Object.class));
    assertThat(types.classes().rawTypes()).contains(Object.class);
  }

                }
            } else if (dateFieldSet.contains(key)) {
                value = FessFunctions.formatDate((Date) value);
            } else if (integerFieldSet.contains(key) || longFieldSet.contains(key) || floatFieldSet.contains(key)
                    || doubleFieldSet.contains(key)) {
                value = value.toString();
            }

    while (removeFrom.hasNext()) {
      if (!elementsToRetain.contains(removeFrom.next())) {
        removeFrom.remove();
        result = true;
      }
    }
    return result;
  }

  /**
   * Determines whether two iterators contain equal elements in the same order. More specifically,
   * this method returns {@code true} if {@code iterator1} and {@code iterator2} contain the same

    while (removeFrom.hasNext()) {
      if (!elementsToRetain.contains(removeFrom.next())) {
        removeFrom.remove();
        result = true;
      }
    }
    return result;
  }

  /**
   * Determines whether two iterators contain equal elements in the same order. More specifically,
   * this method returns {@code true} if {@code iterator1} and {@code iterator2} contain the same

    assertThat(types).contains(TypeToken.of(Object.class));
    assertThat(types.rawTypes()).contains(Object.class);
    assertThat(types.interfaces()).isEmpty();
    assertThat(types.interfaces().rawTypes()).isEmpty();
    assertThat(types.classes()).contains(TypeToken.of(Object.class));
    assertThat(types.classes().rawTypes()).contains(Object.class);
  }