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