}

        @Nullable
        public DependencySubstitutionInternal getResult() {
            return result;
        }

        @Nullable
        public Throwable getFailure() {
            return failure;
        }

        public boolean hasFailure() {
            return failure != null;
        }
    }

    @Override
    public Set<String> getVersions() throws ModuleVersionResolveException {
        assertHasResult();
        return versions;
    }

    @Override
    public ModuleVersionResolveException getFailure() {
        assertHasResult();
        return failure;
    }

    @Override
    public void listed(Collection<String> versions) {
        reset(State.Listed);

     */
    Set<String> getVersions() throws ModuleVersionResolveException;

    @Override
    @Nullable
    ModuleVersionResolveException getFailure();

    /**
     * Marks the module as having been listed to have the specified versions available.
     */
    void listed(Collection<String> versions);

    /**

public class NoOpProblemDiagnosticsFactory implements ProblemDiagnosticsFactory {
    public static final ProblemDiagnostics EMPTY_DIAGNOSTICS = new ProblemDiagnostics() {
        @Nullable
        @Override
        public Failure getFailure() {
            return null;
        }

        @Nullable
        @Override
        public Throwable getException() {
            return null;
        }

        @Override

    ComponentGraphSpecificResolveState getGraphState() throws ModuleVersionResolveException;

    /**
     * Returns the resolve failure, if any.
     */
    @Override
    @Nullable
    ModuleVersionResolveException getFailure();

        return selected;
    }

    @Override
    public ComponentSelectionReason getReason() {
        return reason;
    }

    @Override
    public ModuleVersionResolveException getFailure() {
        return failure;
    }

    @Override
    public boolean isConstraint() {
        return constraint;
    }

    @Override
    public Long getFromVariant() {
        return fromVariant;

        return definition;
    }


    @Override
    public List<InternalSolution> getSolutions() {
        return solutions;
    }

    @Nullable
    @Override
    public InternalFailure getFailure() {
        return failure;
    }

    @Override
    public InternalAdditionalData getAdditionalData() {
        return additionalData;
    }

     * @throws ModuleVersionResolveException If the resolution was not successful.
     */
    T getMetaData() throws ModuleVersionResolveException;

    @Override
    @Nullable
    ModuleVersionResolveException getFailure();

    /**
     * Marks the module version as resolved, with the given meta-data.
     */
    void resolved(T metaData);

    /**

        return locations;
    }

    @Override
    public List<InternalSolution> getSolutions() {
        return solutions;
    }

    @Nullable
    @Override
    public InternalFailure getFailure() {
        return failure;
    }

    @Nullable
    @Override
    public InternalContextualLabel getContextualLabel() {
        return contextualLabel;
    }

        // Summary of validation warnings during the build
        workValidationWarningReporter.reportWorkValidationWarningsAtEndOfBuild();

        boolean buildSucceeded = result.getFailure() == null;

        StyledTextOutput textOutput = textOutputFactory.create(BuildResultLogger.class, buildSucceeded ? LogLevel.LIFECYCLE : LogLevel.ERROR);
        textOutput.println();