### OpenID (not "OpenID Connect")

There was also an "OpenID" specification. That tried to solve the same thing as **OpenID Connect**, but was not based on OAuth2.

So, it was a complete additional system.

It is not very popular or used nowadays.

## OpenAPI

OpenAPI (previously known as Swagger) is the open specification for building APIs (now part of the Linux Foundation).

**FastAPI** is based on **OpenAPI**.

  JAVA_HOME("java.home"),

  /** Java Virtual Machine specification version. */
  JAVA_VM_SPECIFICATION_VERSION("java.vm.specification.version"),

  /** Java Virtual Machine specification vendor. */
  JAVA_VM_SPECIFICATION_VENDOR("java.vm.specification.vendor"),

  /** Java Virtual Machine specification name. */
  JAVA_VM_SPECIFICATION_NAME("java.vm.specification.name"),

  /** Java Virtual Machine implementation version. */

    Version parseVersion(@Nonnull String version);

    /**
     * Parses the specified version range specification, for example "[1.0,2.0)".
     *
     * @param range the range specification to parse, must not be {@code null}
     * @return the parsed version range, never {@code null}
     * @throws VersionParserException if the range specification violates the syntax rules of this scheme
     */
    @Nonnull

class OAuth2PasswordRequestForm:
    """
    This is a dependency class to collect the `username` and `password` as form data
    for an OAuth2 password flow.

    The OAuth2 specification dictates that for a password flow the data should be
    collected using form data (instead of JSON) and that it should have the specific
    fields `username` and `password`.

// or multiple records. Depending on the size of the result, a response can contain one or more of these messages.
//
// Header specification
// Records messages contain three headers, as follows:
// https://docs.aws.amazon.com/AmazonS3/latest/API/images/s3select-frame-diagram-record.png
//
// Payload specification
// Records message payloads can contain a single record, partial records, or multiple records.

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package gradlebuild.docs.dsl.source.model

import spock.lang.Specification

class ParameterMetaDataTest extends Specification {
    def "formats signature"() {
        MethodMetaData method = Mock()
        def parameter = new ParameterMetaData('param')
        def type = new TypeMetaData('org.gradle.SomeType')

   * specification.
   *
   * <p>This escaper substitutes {@code 0xFFFD} for non-whitespace control characters and the
   * character values {@code 0xFFFE} and {@code 0xFFFF} which are not permitted in XML. For more
   * detail see section <a href="http://www.w3.org/TR/2008/REC-xml-20081126/#charsets">2.2</a> of
   * the XML specification.
   *

 * limitations under the License.
 */

package gradlebuild.binarycompatibility

import spock.lang.Specification
import spock.lang.Subject
import spock.lang.TempDir

class AcceptedApiChangesJsonFileManagerTest extends Specification {

    @TempDir
    File temporaryFolder

    @Subject AcceptedApiChangesJsonFileManager jsonFileManager = new AcceptedApiChangesJsonFileManager()

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package gradlebuild.binarycompatibility

import spock.lang.Specification

class AcceptedApiChangesTest extends Specification {

    def "parses accepted change"() {
        when:
        def changes = AcceptedApiChanges.parse(["""
            {
                "acceptedApiChanges": [
                    {

  @Test
  fun testBuildsWithJettyBoot() {
    assumeTrue(System.getProperty("java.specification.version") == "1.8")
    platform.assumeJettyBootEnabled()
    assertThat(buildIfSupported()).isNotNull()
  }

  @Test
  fun testNotBuildWithOther() {
    assumeFalse(System.getProperty("java.specification.version") == "1.8")
    assertThat(buildIfSupported()).isNull()
  }