Usage of /usr/bin/sizegen:
      --gen strings   Typename of the Go struct to generate size info for (default [vitess.io/vitess/go/pools/smartconnpool.Setting,vitess.io/vitess/go/vt/vtgate/engine.Plan,vitess.io/vitess/go/vt/vttablet/tabletserver.TabletPlan,vitess.io/vitess/go/sqltypes.Result])
      --in strings    Go packages to load the generator (default [./go/...])
      --verify        ensure that the generated files are correct
pflag: help requested