/**
 * Build-time transformation utility
 */
export function buildTimeTransform(cssText: any, options?: {}): {
    nativeCSS: string;
    runtimeCSS: string;
    hasRuntimeRules: boolean;
    stats: {
        totalRules: number;
        transformedRules: number;
    };
};
/**
 * Extract if() functions from CSS text
 */
export function extractIfFunctions(cssText: any): {
    fullFunction: any;
    content: any;
    start: any;
    end: number;
}[];
/**
 * Parse CSS rules with proper handling of nested structures
 */
export function parseCSSRules(cssText: any): string[];
/**
 * Parse if() function content - supports both single conditions and multiple chained conditions
 */
export function parseIfFunction(content: any): {
    conditions: {
        conditionType: string;
        conditionExpression: string;
        value: string;
    }[];
    elseValue: string;
    isMultipleConditions: boolean;
};
/**
 * Parse a CSS rule and extract selector and properties
 */
export function parseRule(ruleText: any): {
    selector: any;
    properties: {
        property: any;
        value: any;
    }[];
} | null;
/**
 * Runtime transformation utility (for integration with existing polyfill)
 */
export function runtimeTransform(cssText: any, element: any): {
    processedCSS: string;
    hasRuntimeRules: boolean;
    nativeCSS: string;
};
/**
 * Transform property with if() to native CSS
 */
export function transformPropertyToNative(selector: any, property: any, value: any): {
    nativeCSS: string;
    runtimeCSS: string;
    hasRuntimeRules: boolean;
};
/**
 * Transform CSS text to native CSS where possible
 */
export function transformToNativeCSS(cssText: any): {
    nativeCSS: string;
    runtimeCSS: string;
    hasRuntimeRules: boolean;
    stats: {
        totalRules: number;
        transformedRules: number;
    };
};