gomod

type Exclude struct {
	Path    string
	Version string
	Line    int
}

type File struct {
	Module    string
	Go        string // e.g. "1.22.3"
	Toolchain string // e.g. "go1.26.4", or ""
	Requires  []Require
	Replaces  []Replace
	Excludes  []Exclude
	Retracts  []Retract
}

type Replace struct {
	OldPath    string
	OldVersion string
	NewPath    string
	NewVersion string
	Line       int
}

type Require struct {
	Path     string
	Version  string
	Indirect bool
	Line     int // 1-indexed line in go.mod
}

type Retract struct {
	Low       string
	High      string
	Rationale string
	Line      int
}