import type { CustomCssSyntax, Result, CssSyntax } from './types.js';
/**
 * Matches a value against a CSS syntax definition using css-tree.
 *
 * Supports both standard CSS syntax types (e.g., `<color>`) and custom syntax
 * definitions with extended types, properties, and case-sensitive matching.
 * Uses css-tree's lexer for syntax validation.
 *
 * @param value - The string value to match
 * @param type - The CSS syntax identifier or custom syntax definition
 * @returns The validation result
 */
export declare function cssSyntaxMatch(value: string, type: CssSyntax | CustomCssSyntax): Result;