{"ast_node_type":"other","tokens":[{"end":79,"kind":"keyword","start":0,"text":"prefer_prelude:"}]}
            prefer_prelude: self.imports_preferPrelude(source_root).to_owned(),
            assist_emit_must_use: self.assist_emitMustUse(source_root).to_owned(),
            prefer_absolute: self.imports_prefixExternPrelude(source_root).to_owned(),