{"ast_node_type":"other","tokens":[{"end":90,"kind":"keyword","start":0,"text":"AstFragment::FieldDefs(items.map(Annotatable::expect_field_def).collect())"}]}
                AstFragment::FieldDefs(items.map(Annotatable::expect_field_def).collect())
            AstFragmentKind::FieldDefs => {
            }