{"ast_node_type":"other","tokens":[{"end":108,"kind":"keyword","start":0,"text":"hover_maxSubstitutionLength:"}]}
        hover_maxSubstitutionLength: Option<MaxSubstitutionLength> = Some(MaxSubstitutionLength::Limit(20)),
        /// The default is 20 characters.
        /// How to render the align information in a memory layout hover.