// Create resource with targetPath using Resource constructor pattern
        Resource resourceWithTarget = new Resource();
        resourceWithTarget.setDirectory("src/main/custom");
        resourceWithTarget.setTargetPath("custom-output");

        // Convert through DefaultSourceRoot to ensure targetPath is preserved
        DefaultSourceRoot sourceRootFromResource =

                }
                // TargetPath
                org = resource.getTargetPath();
                val = interpolate(org);
                if (org != val) {
                    resource.setTargetPath(val);
                }
                // Filtering
                org = resource.getFiltering();
                val = interpolate(org);
                if (org != val) {

        String src = source.getTargetPath();
        if (src != null) {
            if (sourceDominant || target.getTargetPath() == null) {
                target.setTargetPath(src);
                target.setLocation("targetPath", source.getLocation("targetPath"));
            }
        }
    }

    protected void mergeResource_Filtering(