try {
            final RESULT result = entityType.newInstance();
            result.setName(DfTypeUtil.toString(source.get("name")));
            result.setAttributes(source.entrySet().stream().filter(e -> !"name".equals(e.getKey()))
                    .map(e -> new Pair<>(e.getKey(), (String) e.getValue())).collect(Collectors.toMap(Pair::getFirst, Pair::getSecond)));
            return result;

            if ("true".equalsIgnoreCase(s)) {
                return Boolean.TRUE;
            } else if ("false".equalsIgnoreCase(s)) {
                return Boolean.FALSE;
            } else if (s.equals("0")) {
                return Boolean.FALSE;
            } else {
                return Boolean.TRUE;
            }
        } else {
            return Boolean.TRUE;
        }
    }

    /**

 * <p>
 * This extensible enum has two defined values, {@link #MAIN} and {@link #TEST},
 * but can be extended by registering a {@code org.apache.maven.api.spi.ProjectScopeProvider}.
 * <p>
 * Implementation must have {@code equals()} and {@code hashCode()} implemented, so implementations of this interface
 * can be used as keys.
 *
 * @since 4.0.0
 */
@Experimental
@Immutable
@SuppressWarnings("checkstyle:InterfaceIsType")

       * which will have an efficient native implementation in JDK 9.
       *
       */
      String arch = System.getProperty("os.arch");
      if ("amd64".equals(arch) || "aarch64".equals(arch)) {
        theGetter =
            ByteOrder.nativeOrder().equals(ByteOrder.LITTLE_ENDIAN)
                ? UnsafeByteArray.UNSAFE_LITTLE_ENDIAN
                : UnsafeByteArray.UNSAFE_BIG_ENDIAN;
      }
    } catch (Throwable t) {

                }

                int lastSlash = moduleName.lastIndexOf('/');

                moduleName = moduleName.substring(lastSlash + 1);

                if ((moduleName.equals(childName) || (moduleName.equals(childDirectory))) && lastSlash >= 0) {
                    adjustment = module.substring(0, lastSlash);
                    break;
                }
            }
        }

                .map(BuildModelSourceTransformer::toRelativeProject);

        if (mappedProject.isPresent()) {
            RelativeProject project = mappedProject.get();

            if (Objects.equals(groupId, project.getGroupId()) && Objects.equals(artifactId, project.getArtifactId())) {
                return mappedProject;
            }
        }
        return Optional.empty();
    }

 * limitations under the License.
 */

package com.google.common.collect.testing;

import com.google.common.annotations.GwtCompatible;
import java.util.List;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Creates sets, containing sample elements, to be tested.
 *
 * @author Kevin Bourrillion
 */
@GwtCompatible
@ElementTypesAreNonnullByDefault

                    new AbstractValueSource(false) {
                        @Override
                        public Object getValue(String expression) {
                            if ("basedir".equals(expression)) {
                                return projectDir.toAbsolutePath().toString();
                            } else if (expression.startsWith("basedir.")) {

     * {@inheritDoc}
     *
     * @see java.lang.Object#equals(java.lang.Object)
     */
    @Override
    public boolean equals ( Object obj ) {
        if ( ! ( obj instanceof SmbFileHandleImpl ) ) {
            return false;
        }
        SmbFileHandleImpl o = (SmbFileHandleImpl) obj;

        if ( this.fileId != null ) {
            return Arrays.equals(this.fileId, o.fileId) && this.tree_num == o.tree_num;
        }

And you can also declare numeric validations:

* `gt`: `g`reater `t`han
* `ge`: `g`reater than or `e`qual
* `lt`: `l`ess `t`han
* `le`: `l`ess than or `e`qual

/// info

`Query`, `Path`, and other classes you will see later are subclasses of a common `Param` class.