syntax_data: {"ast_node_type":"struct","tokens":[{"end":39,"kind":"keyword","start":0,"text":"pub"}]}
source_snippet: pub struct ExtendedTargetModifierInfo {
context_before: /// is converted into description: prefix ('Z'), name ('regparm'), tech value ('Some(2)').
context_after:     /// Flag prefix (usually, 'C' for codegen flags or 'Z' for unstable flags)