Full:
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 1. └─rlang:::f(current_env())
 2.   └─rlang:::g(e)

Collapsed:
    █
 1. └─rlang:::f(current_env())
 2.   └─rlang:::g(e)

Branch:
 1. rlang:::f(current_env())
 2. rlang:::g(e)
