Imports golang.org/x/tools/internal/proxydir golang.org/x/tools/internal/packagesinternal golang.org/x/tools/go/expect golang.org/x/tools/internal/span golang.org/x/tools/internal/testenv golang.org/x/tools/internal/gocommand golang.org/x/tools/go/packages Standard library imports context flag fmt go/token io/ioutil log os path path/filepath reflect regexp strings testing