File file = new File(getBasedir(), "src/test/repository-system/maven-core-2.1.0.jar");
        assertTrue(file.exists(), "Expected " + file + ".exists() to return true");
        d.setSystemPath(file.getCanonicalPath());

        artifact = repositorySystem.createDependencyArtifact(d);

        //

            d.setArtifactId(artifactId);
            d.setVersion(version);
            d.setScope(scope);

            if (systemPath != null && scope.equals(Artifact.SCOPE_SYSTEM)) {
                d.setSystemPath(systemPath);
            }

            if (exclusion != null) {
                d.addExclusion(exclusion);
            }

            project.getDependencies().add(d);

            return this;

                }
                // SystemPath
                org = dependency.getSystemPath();
                val = interpolate(org);
                if (org != val) {
                    dependency.setSystemPath(val);
                }
                // Exclusions
                for (Exclusion exclusion : dependency.getExclusions()) {
                    visit(exclusion);
                }

        String src = source.getSystemPath();
        if (src != null) {
            if (sourceDominant || target.getSystemPath() == null) {
                target.setSystemPath(src);
                target.setLocation("systemPath", source.getLocation("systemPath"));
            }
        }
    }

    protected void mergeDependency_Optional(