const go/build.FindOnly

3 uses

	go/build (current package)
		build.go#L396: 	FindOnly ImportMode = 1 << iota
		build.go#L847: 	if mode&FindOnly != 0 {

	golang.org/x/tools/internal/gcimporter
		exportdata.go#L317: 		bp, err = build.Import(path, srcDir, build.FindOnly|build.AllowBinary)

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