List<ValueSource> valueSources = createValueSources(model, projectDir, config);
            List<InterpolationPostProcessor> postProcessors = createPostProcessors(model, projectDir, config);

            InterpolateObjectAction action =
                    new InterpolateObjectAction(obj, valueSources, postProcessors, debugEnabled, this, getLogger());

            ModelInterpolationException error = AccessController.doPrivileged(action);

        List<? extends ValueSource> valueSources = createValueSources(model, projectDir, config, problems);
        List<? extends InterpolationPostProcessor> postProcessors = createPostProcessors(model, projectDir, config);

        InnerInterpolator innerInterpolator = createInterpolator(valueSources, postProcessors, problems, config);

        return new MavenTransformer(innerInterpolator::interpolate).visit(model);
    }

        try {
            List<ValueSource> valueSources = createValueSources(model, projectDir, config);
            List<InterpolationPostProcessor> postProcessors = createPostProcessors(model, projectDir, config);

            return interpolateInternal(src, valueSources, postProcessors, debug);
        } finally {
            interpolator.clearAnswers();
        }
    }

    protected List<ValueSource> createValueSources(

            }
        }
    }

    private static class PostProcessors implements BuildOperationTracker {
        private final List<OperationResultPostProcessor> processors;

        public PostProcessors(List<OperationResultPostProcessor> processors) {
            this.processors = processors;
        }

        @Override

        List<? extends InterpolationPostProcessor> postProcessors = createPostProcessors(model, projectDir, request);

        InnerInterpolator innerInterpolator = createInterpolator(valueSources, postProcessors, request, problems);

        return new MavenTransformer(innerInterpolator::interpolate).visit(model);
    }

        operationDependenciesResolver.addLookup(transformOperationMapper);

        List<OperationResultPostProcessor> postProcessors = createPostProcessors(subscriptions, consumer);

        TaskOperationMapper taskOperationMapper = new TaskOperationMapper(postProcessors, taskOriginTracker, operationDependenciesResolver);
        operationDependenciesResolver.addLookup(taskOperationMapper);

Class <org.gradle.tooling.internal.provider.runner.TaskOperationMapper$PostProcessors> is not annotated (directly or via its package) with @org.gradle.api.NonNullApi in (TaskOperationMapper.java:0)