Add garlic, salt, pepper, olive oil OR yogurt, lemon juice, vinegar and maple syrup to a large bowl and whisk to combine.
Peel cucumbers
If using regular cucumbers or Armenian cucumbers, scrape out center seed area by slicing cucumbers in half lengthwise and removing the "seed goo" with a small spoon. If using English or Persian cucumbers, you can leave the seeds if you like.
Slice your cucumbers into quarters lengthwise, and slice those pieces into about 1/2 cm pieces width-wise.
Add sliced cucumbers to large bowl with other ingredients.
Finely chop herbs and add to large bowl
Add optional add-ins listed in post
Toss all ingredients with salad forks to combine
Top with sumac or feta cheese
Serve in small salad bowls and enjoy!