syntax_data: {"ast_node_type":"other","tokens":[{"end":48,"kind":"keyword","start":0,"text":"sm.indentation_before(only.span)"}]}
source_snippet:                 sm.indentation_before(only.span)
context_before:             let (pre_indentation, is_multiline) = if let Some(snippet) =
context_after:                 && let Ok(with_trailing) =