throws MetadataResolutionException {
        checkVertex(vFrom);
        checkVertex(vTo);

        checkVertices();

        checkEdge(e);
        checkEdges();

        e.setSource(vFrom);
        e.setTarget(vTo);

        vFrom.setCompareVersion(versionedVertices);
        vFrom.setCompareScope(scopedVertices);

`+r+"</"+i+`>
`}listitem(e){return`<li>${this.parser.parse(e.tokens)}</li>
`}checkbox({checked:e}){return"<input "+(e?'checked="" ':"")+'disabled="" type="checkbox"> '}paragraph({tokens:e}){return`<p>${this.parser.parseInline(e)}</p>