terraform/internal/command/jsonplan/module.go

package jsonplan

// module is the representation of a module in state. This can be the root
// module or a child module.
type module struct {
	// Resources are sorted in a user-friendly order that is undefined at this
	// time, but consistent.
	Resources []resource `json:"resources,omitempty"`

	// Address is the absolute module address, omitted for the root module
	Address string `json:"address,omitempty"`

	// Each module object can optionally have its own nested "child_modules",
	// recursively describing the full module tree.
	ChildModules []module `json:"child_modules,omitempty"`
}