| Elektra 0.11.0

Use Case: Get information which keys are conflicting in 3-way-merge

# Summary

- Title: Get information which keys are conflicting in 3-way-merge
- Scope: Library/Development
- Level: Subfunction
- Actors: Developers
- Brief: It should be possible to get information about which keys are causing conflicts in a 3-way-merge.

# Scenarios

- Precondition: -
- Main success scenario: If there is a conflict, the developer should be able to call an API that returns reasonable information wich keys are causing a conflict.
- Alternative scenario: If no conflict occurred, the API should indicate so.
- Error scenario: -
- Postcondition: -
- Non-functional Constraints:
  - Getting information about the conflict should not alter the result