syntax_data: {"ast_node_type":"other","tokens":[{"end":47,"kind":"keyword","start":0,"text":"SourceFileHashAlgorithm::Md5"}]}
source_snippet:             SourceFileHashAlgorithm::Md5 => 16,
context_before:         match self.kind {
context_after:             SourceFileHashAlgorithm::Sha1 => 20,