for k, v := range ps.MatchLabels {
		r, err := labels.NewRequirement(k, selection.Equals, []string{v})
		if err != nil {
			return nil, err
		}
		requirements = append(requirements, *r)
	}
	for _, expr := range ps.MatchExpressions {
		var op selection.Operator
		switch metav1.LabelSelectorOperator(expr.Operator) {
		case metav1.LabelSelectorOpIn:
			op = selection.In
		case metav1.LabelSelectorOpNotIn:
			op = selection.NotIn

        // Remove any outgoing edges for the current selection
        selected.removeOutgoingEdges();

        this.selected = newSelection;
        this.replaced = false;

        doRestart(newSelection);
        changingSelection = false;
    }

    /**
     * Clears the current selection for the module, to prepare for conflict resolution.
     * - For the current selection, disconnect and remove any outgoing dependencies.

     *
     * @return true if a dependency constraint influenced the selection of this component
     *
     * @since 4.6
     */
    boolean isConstrained();

    /**
     * Returns a list of descriptions of the causes that led to the selection of this component.
     *
     * @return the list of descriptions.
     *
     * @since 4.6
     */

import java.util.Optional;
import java.util.Set;

/**
 * Provides a central location for handling failures encountered during
 * each stage of the variant selection process during dependency resolution.
 *
 * All variant selection failures encountered during selection by the {@link GraphVariantSelector} or
 * {@link AttributeMatchingArtifactVariantSelector}
 * should be routed through this class.
 *

    /**
     * Creates a set that selects the artifacts from this set that match the given criteria.
     * Implementations are lazy, so that the selection happens only when the contents are queried.
     *
     * @param spec Parameters controlling the artifact selection process
     */
    SelectedArtifactSet select(ArtifactSelectionSpec spec);

     * The implementation should attempt to select artifacts eagerly, but may be lazy where
     * the selection cannot happen until the results are queried.
     *
     * @param variantSelector Performs variant selection
     * @param spec Governs how artifacts are selected
     * @param lenient If true, ignore artifacts that are resolved, but unavailable
     */

=layerTreeImpl;this.layerView_.regenerateContent();if(!this.selection_)return;this.selection=this.selection_.findEquivalent(lthi);},get selection(){return this.selection_;},set selection(selection){if(this.selection_===selection)return;this.selection_=selection;this.layerPicker_.selection=selection;this.layerView_.selection=selection;tr.b.dispatchSimpleEvent(this,'cc-selection-change');},onLayerPickerSelectionChanged_(){this.selection_=this.layerPicker_.selection;this.layerView_.selection=this.s...

            }

            configurations.compileClasspath.resolutionStrategy.componentSelection.all { ComponentSelection selection ->
               if (selection.candidate.module == 'bar' && selection.candidate.version in ['1.2', '1.1']) {
                   selection.reject("version \${selection.candidate.version} is bad")
               }
            }
        """

        when:

     * @since 4.5
     */
    void useTarget(Object notation, String reason);

    /**
     * Configures the artifact selection for the substitution.
     * This is a convenience method which allows selecting, typically, different artifact classifiers
     * for the same component.
     *
     * Artifact selection matters for components which are not published with Gradle Module Metadata

        new DefaultDependencySubstitution(DependencyManagementTestUtil.componentSelectionDescriptorFactory(), componentSelector, artifacts)
    }

    def "can override target and selection reason for project"() {
        when:
        details.useTarget("org:foo:2.0", FORCED)
        details.useTarget("org:foo:3.0", SELECTED_BY_RULE)

        then:
        details.requested == componentSelector