For stable features, the `kubectl` tool follows the Kubernetes [version skew policy](https://kubernetes.io/releases/version-skew-policy/);
however, kubectl v1.21 and older do not support the new API for ephemeral containers.

// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package config

import (
	"encoding/json"
	"fmt"
	"strconv"
	"strings"
)

// BoolFlag - wrapper bool type.
type BoolFlag bool

// String - returns string of BoolFlag.
func (bf BoolFlag) String() string {
	if bf {
		return "on"
	}

	return "off"
}

// MarshalJSON - converts BoolFlag into JSON data.

- Do not add nodes labeled with kubernetes.azure.com/managed=false to backend pool of load balancer. ([#93034](https://github.com/kubernetes/kubernetes/pull/93034), [@matthias50](https://github.com/matthias50)) [SIG Cloud Provider]

		}
	}
}

// Test BoolFlag.UnmarshalJSON()
func TestBoolFlagUnmarshalJSON(t *testing.T) {
	testCases := []struct {
		data           []byte
		expectedResult BoolFlag
		expectedErr    bool
	}{
		{[]byte(`{}`), BoolFlag(false), true},
		{[]byte(`["on"]`), BoolFlag(false), true},
		{[]byte(`"junk"`), BoolFlag(false), true},
		{[]byte(`""`), BoolFlag(true), false},
		{[]byte(`"on"`), BoolFlag(true), false},

 * com.google.common.net.InternetDomainName}.</b>
 */
@GwtCompatible
@Beta
public final class PublicSuffixPatterns {
  private PublicSuffixPatterns() {}

  /**
   * String pool containing TLDs and domain labels.
   *
   * <p>Data is stored as a series of length-prefixed strings using standard Java UTF-16 charset.
   */
  private static final ImmutableList<CharSequence> STRING_POOL =

- Limit number of instances in a single update to GCE target pool to 1000. ([#87881](https://github.com/kubernetes/kubernetes/pull/87881), [@wojtek-t](https://github.com/wojtek-t)) [SIG Cloud Provider, Network and Scalability]

- The scheduling queue didn't notice any extenders' failures, it could miss some cluster events,
  and it could end up Pods rejected by Extenders stuck in unschedulable pod pool in 5min in the worst-case scenario.

  - A namespaced object with an ownerReference referencing a uid of a namespaced kind which does not exist in the same namespace is now consistently treated...

- The scheduling queue didn't notice any extenders' failures, it could miss some cluster events,
  and it could end up Pods rejected by Extenders stuck in unschedulable pod pool in 5min in the worst-case scenario.

        };

        assertTrue(customEnv.is("bool.true"));
        assertFalse(customEnv.is("bool.false"));
        assertTrue(customEnv.is("bool.yes"));
        assertFalse(customEnv.is("bool.no"));
        assertTrue(customEnv.is("bool.on"));
        assertFalse(customEnv.is("bool.off"));
        assertTrue(customEnv.is("bool.1"));
        assertFalse(customEnv.is("bool.0"));
    }