golang.org/x/tools@v0.21.0/internal (about) aliases analysisinternal apidiff astutil bisect diff diffp edit event facts fakenet fuzzy gcimporter gocommand gopathwalk goroot imports jsonrpc2 jsonrpc2_v2 memoize packagesinternal pkgbits pprof proxydir refactor robustio stack stdlib testenv testfiles tokeninternal tool typeparams typesinternal versions xcontext