1[ 2 { 3 "Name": "proc-macro2", 4 "License": "Apache License V2.0, MIT", 5 "License File": "LICENSE-APACHE, LICENSE-MIT", 6 "Version Number": "1.0.53", 7 "Owner": "fangting12@huawei.com", 8 "Upstream URL": "https://github.com/dtolnay/proc-macro2", 9 "Description": "A Rust library that provides support for error handling in procedural macros." 10 } 11] 12