{"ast_node_type":"variable","tokens":[{"end":96,"kind":"keyword","start":0,"text":"let"}]}
    let aes_output_type = builder.context.new_struct_type(None, "AesOutput", &[field1, field2]);
    let field2 = builder.context.new_field(None, m128i, "field2");
    let typ = aes_output_type.as_type();