ed86baa6cb
* Introducing edge groups * Add conditional and partitioning edge groups; next add samples and tests * Add unit tests * Add samples * Address comments 1 * Address comments 2 * Update conditional edge group to take in cases and default * Minor updates to sample * Collapsing Paritioning Edge group and Conditional Edge group to source edge group * Improve sample clarity * Name consolidation --------- Co-authored-by: Eric Zhu <ekzhu@users.noreply.github.com>