import org.gradle.internal.declarativedsl.evaluator.runner.EvaluationResult.NotEvaluated.StageFailure.AssignmentErrors
import org.gradle.internal.declarativedsl.evaluator.runner.EvaluationResult.NotEvaluated.StageFailure.DocumentCheckFailures
import org.gradle.internal.declarativedsl.evaluator.runner.EvaluationResult.NotEvaluated.StageFailure.FailuresInLanguageTree
import org.gradle.internal.declarativedsl.language.LanguageTreeResult

            data class FailuresInLanguageTree(val failures: List<SingleFailureResult>) : StageFailure
            data class FailuresInResolution(val errors: List<ResolutionError>) : StageFailure
            data class DocumentCheckFailures(val failures: List<DocumentCheckFailure>) : StageFailure
            data class AssignmentErrors(val usages: List<AssignmentTraceElement.FailedToRecordAssignment>) : StageFailure
        }
    }
}

                        appendLine(describedUnassignedValueUsage(unassigned).indent(2))
                    }
                }

                is StageFailure.DocumentCheckFailures -> {
                    appendLine("Failures in document checks:".indent(1))
                    stageFailure.failures.forEach { failure ->
                        appendLine(describeDocumentCheckFailure(failure).indent(2))