sb.append(i).append(' ').append(a).append('\n');
            i++;
        }
        sb.append("---------\n");
        return sb.toString();
    }

    public MetadataGraph getResolvedTree() {
        return resolvedTree;
    }

    public void setResolvedTree(MetadataGraph resolvedTree) {
        this.resolvedTree = resolvedTree;
    }