export interface UseDynamicEnvOptions {
    /**
     * Optional filter function to determine which env vars to include
     * Note: Only EXPO_PUBLIC_ prefixed variables are available in process.env
     */
    envFilter?: (key: string, value: string | undefined) => boolean;
}
export interface EnvResult {
    key: string;
    data: unknown;
}
/**
 * Hook that returns all available environment variables with parsed values
 * Includes all available environment variables by default (only EXPO_PUBLIC_ prefixed vars are loaded by Expo)
 *
 * @example
 * // Get all available environment variables (only EXPO_PUBLIC_ prefixed)
 * const envVars = useDynamicEnv();
 * // Returns: [
 * //   { key: 'EXPO_PUBLIC_API_URL', data: 'https://api.example.com' },
 * //   { key: 'EXPO_PUBLIC_APP_NAME', data: 'MyApp' },
 * //   ...
 * // ]
 *
 * @example
 * // Filter to specific variables
 * const envVars = useDynamicEnv({
 *   envFilter: (key) => key.includes('API') || key.includes('URL')
 * });
 *
 * @example
 * // Filter by value content
 * const envVars = useDynamicEnv({
 *   envFilter: (key, value) => value !== undefined && value.length > 0
 * });
 */
export declare function useDynamicEnv({ envFilter, }?: UseDynamicEnvOptions): EnvResult[];