kubernetes/staging/src/k8s.io/code-generator/cmd/applyconfiguration-gen/generators/refgraph.go

type refGraph …

// refGraphForReachableTypes returns a refGraph that contains all reachable types from
// the root clientgen types of the provided packages.
func refGraphForReachableTypes(universe types.Universe, pkgTypes map[string]*types.Package, initialTypes map[types.Name]string) refGraph { … }

// applyConfigForType find the type used in the generate apply configurations for a field.
// This may either be an existing type or one of the other generated applyConfig types.
func (t refGraph) applyConfigForType(field *types.Type) *types.Type { … }

func (t refGraph) isApplyConfig(field *types.Type) bool { … }

// genclientTags returns the genclient Tags for the given type.
func genclientTags(t *types.Type) util.Tags { … }

// findReachableTypes finds all types transitively reachable from a given root type, including
// the root type itself.
func findReachableTypes(t *types.Type, referencedTypes map[types.Name]*types.Type) { … }

var excludeTypes …

// requiresApplyConfiguration returns true if a type applyConfig should be generated for the given type.
// types applyConfig are only generated for struct types that contain fields with json tags.
func requiresApplyConfiguration(t *types.Type) bool { … }