Module ast 

CSS AST (Abstract Syntax Tree) definitions

This module provides the core AST structures for representing CSS in a structured, manipulatable format.

Structs

AttributeSelector

Attribute selector

CSSAtRule

CSS at-rule (e.g., @media, @keyframes, @import)

CSSDeclaration

CSS declaration (property-value pair)

CSSRule

CSS rule representation

SourcePosition

Source position information

Enums

AttributeOperator

Attribute operator types

CSSNode

Root CSS AST node

CombinatorType

Combinator types

SelectorComponent

CSS selector component