nesting

type NestingClassifier interface {
	// IsNestingNode returns true if the given node introduces a new nesting level
	// (e.g. if, for, while, with, try blocks).
	IsNestingNode(node any) bool

	// Children returns the child nodes of the given node.
	Children(node any) []any

	// Location returns the line number of the given node.
	Location(node any) int
}

type Result struct {
	MaxDepth    int
	DeepestLine int
}