So, it was a complete additional system.

It is not very popular or used nowadays.

## OpenAPI { #openapi }

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

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

        }

        throwValidationError(messages -> messages.addErrorsInvalidQueryUnknown(GLOBAL), this::asListHtml);
        return null; // ignore
    }

    /**
     * Executes a search based on the provided search criteria.
     *
     * @param form the list form containing search criteria
     * @return HTML response with search results
     */
    @Execute
    @Secured({ ROLE, ROLE + VIEW })

   *
   * @throws IllegalArgumentException if the pattern is invalid
   */
  @RestrictedApi(
      explanation = "PatternCompiler is an implementation detail of com.google.common.base",
      allowedOnPath = ".*/com/google/common/base/.*")
  CommonPattern compile(String pattern);

  /**
   * Returns {@code true} if the regex implementation behaves like Perl -- notably, by supporting

   *
   * @throws IllegalArgumentException if the pattern is invalid
   */
  @RestrictedApi(
      explanation = "PatternCompiler is an implementation detail of com.google.common.base",
      allowedOnPath = ".*/com/google/common/base/.*")
  CommonPattern compile(String pattern);

  /**
   * Returns {@code true} if the regex implementation behaves like Perl -- notably, by supporting

	}
	createUsageTestFiles(t, base, "", files)
	const foldersBelow = 3
	const filesBelowT = dataScannerCompactLeastObject / 2
	const filesAboveT = dataScannerCompactAtFolders + 1
	const expectSize = foldersBelow*filesBelowT + filesAboveT

	generateUsageTestFiles(t, base, "bucket/dirwithalot", foldersBelow, filesBelowT, 1)
	generateUsageTestFiles(t, base, "bucket/dirwithevenmore", filesAboveT, 1, 1)

          var q = delta

          for (k in BASE until Int.MAX_VALUE step BASE) {
            val t =
              when {
                k <= bias -> TMIN
                k >= bias + TMAX -> TMAX
                else -> k - bias
              }
            if (q < t) break
            result.writeByte((t + ((q - t) % (BASE - t))).punycodeDigit)
            q = (q - t) / (BASE - t)
          }

    String getSource();

    /**
     * Gets the one-based index of the line containing the problem. The line number should refer to some text file that
     * is given by {@link #getSource()}.
     *
     * @return the one-based index of the line containing the problem or a non-positive value if unknown
     */
    int getLineNumber();

    /**

package com.google.common.reflect;

import static com.google.common.base.StandardSystemProperty.JAVA_CLASS_PATH;
import static com.google.common.base.StandardSystemProperty.OS_NAME;
import static com.google.common.base.StandardSystemProperty.PATH_SEPARATOR;
import static com.google.common.truth.Truth.assertThat;
import static java.nio.charset.StandardCharsets.US_ASCII;

import com.google.common.base.Joiner;
import com.google.common.collect.ImmutableList;

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

package com.google.common.hash;

import static com.google.common.io.BaseEncoding.base16;
import static java.nio.charset.StandardCharsets.UTF_8;
import static org.junit.Assert.assertThrows;

import com.google.common.collect.ImmutableSet;
import com.google.common.collect.ImmutableTable;

    public List<String> getExcludedProjects() {
        return Collections.unmodifiableList(new ArrayList<>(getProjectSelectors(pa -> !pa.active())));
    }

    /**
     * Overwrites the active projects based on a pre-Maven 4 "active projects" list.
     * @param activeProjectSelectors A {@link List} of project selectors that must be activated.