Imports of package v2_2

PathSynopsis
encoding/jsonPackage json implements encoding and decoding of JSON as defined in RFC 7159.
fmtPackage fmt implements formatted I/O with functions analogous to C's printf and scanf.
github.com/anchore/go-struct-converter
github.com/spdx/tools-golang/spdx/v2/common
stringsPackage strings implements simple functions to manipulate UTF-8 encoded strings.