syntax_data: {"ast_node_type":"other","tokens":[{"end":74,"kind":"keyword","start":0,"text":"Err(SelectionError::Overflow(OverflowError::Error(e)))"}]}
source_snippet:                     Err(SelectionError::Overflow(OverflowError::Error(e)))
context_before:                 Err(OverflowError::Error(e)) => {
context_after:                 }