* @return the property instance
         */
        abstract PropertyInternal<T> property()

        def "calling #consumer throws exception with proper chain if wrapped provider forms a cycle"(
            Consumer<ProviderInternal<?>> consumer
        ) {
            given:
            def property = property()
            def provider = wrapProviderWithProviderUnderTest(property)

            //target does not exist in the map, there's no cycle for sure
            return;
        }
        Set<ModuleIdentifier> visited = new LinkedHashSet<>();
        visited.add(source);
        visited.add(target);

        while(m != null) {
            if (!visited.add(m)) {
                //module was already visited, there is a cycle
                throw new InvalidUserDataException(

Release notes should be added to `next` by editing existing files or creating
new files. **Do not add RELNOTE=yes comments in CLs.** Instead, add a file to
the CL (or ask the author to do so).

At the end of the development cycle, the files will be merged by being
concatenated in sorted order by pathname. Files in the directory matching the
glob "*stdlib/*minor" are treated specially. They should be in subdirectories

                    NodeDetails<N, T> connectedNodeDetails = seenNodes.get(connectedNode);
                    if (!connectedNodeDetails.finished) {
                        // part of a cycle : use the 'minimum' component as the root of the cycle
                        int minSeen = Math.min(details.minSeen, connectedNodeDetails.minSeen);
                        details.minSeen = minSeen;

    runTest("analysis/analysis-api/testData/components/substitutorProvider/createInheritanceTypeSubstitutor/chain.kt");
  }

  @Test
  @TestMetadata("cycle.kt")
  public void testCycle() {
    runTest("analysis/analysis-api/testData/components/substitutorProvider/createInheritanceTypeSubstitutor/cycle.kt");
  }

  @Test
  @TestMetadata("diamond.kt")
  public void testDiamond() {

rootProject.name = "should-run-after-cycle"...

	DriveWorkers int `json:"drive_workers"`

	// Cached value from Bitrot field
	cache struct {
		// -1: bitrot enabled, 0: bitrot disabled, > 0: bitrot cycle
		bitrotCycle time.Duration
	}
}

// BitrotScanCycle returns the configured cycle for the scanner healing
// -1 for not enabled
//
//	0 for contiunous bitrot scanning
//
// >0 interval duration between cycles

        when: replacements.module("o:b").replacedBy("o:a")

        then:
        def ex = thrown(InvalidUserDataException)
        ex.message == "Cannot declare module replacement o:b->o:a because it introduces a cycle: o:b->o:a->o:b"
    }

    def "detects transitive cycles early"() {
        replacements.module("o:o").replacedBy("o:x")
        //a->b->c->a
        replacements.module("o:a").replacedBy("o:b")

 * limitations under the License.
 */

package org.gradle.model;

import org.gradle.api.GradleException;
import org.gradle.api.Incubating;

/**
 * Thrown when a cycle is encountered while configuring a model element.
 */
@Incubating
public class ConfigurationCycleException extends GradleException {
    public ConfigurationCycleException(String message) {
        super(message);
    }

	Node := firstFieldType(Inst)
	Tree := firstFieldType(Node)
	if !Identical(Inst, Tree) {
		t.Fatalf("Not a cycle: got %v, want %v", Tree, Inst)
	}
	if Inst != Tree {
		t.Errorf("Duplicate instances in cycle: %s (%p) -> %s (%p) -> %s (%p)", Inst, Inst, Node, Node, Tree, Tree)
	}
}

// TestMethodOrdering is a simple test verifying that the indices of methods of