/**
 * Generates CSS font declarations from fonts configuration
 * Supports both Google Fonts (via @import) and local fonts (via @font-face)
 *
 * @param {Object} fonts - Fonts configuration object
 * @param {Array} fonts.google - Google Fonts configuration array
 * @param {Array} fonts.local - Local fonts configuration array
 * @returns {string} Generated CSS font declarations
 * @example
 * generateCssFonts({
 *   google: [{ name: 'Roboto', weights: [400, 700] }],
 *   local: [{ name: 'CustomFont', files: { 400: './custom.ttf' } }]
 * })
 */
export function generateCssFonts(fonts: {
    google: any[];
    local: any[];
}): string;