checkArtifactResult(artifactResult, "artifact-1.0-classifier.zip");
    }

    private void checkArtifactResult(ArtifactResult result, String filename) {
        assertFalse(result.isMissing(), "Expected " + result + ".isMissing() to return false");
        assertTrue(result.isResolved(), "Expected " + result + ".isResolved() to return true");
        Artifact artifact = result.getArtifact();
        assertNotNull(artifact.getFile());

         *
         * @return {@code true} if the artifact is not present in any repository, {@code false} otherwise.
         */
        boolean isMissing();
    }

                localProject = resItem.getRepository() instanceof org.apache.maven.api.WorkspaceRepository;
            } catch (ArtifactResolverException e) {
                if (e.getResult().getResults().values().iterator().next().isMissing() && allowStubModel) {
                    return build(parent, null, createStubModelSource(artifact));
                }
                throw new ProjectBuildingException(