import { CleanOptions, ValidatorSpec } from './types';
export declare const testOnlySymbol: unique symbol;
/**
 * Perform the central validation/sanitization logic on the full environment object
 */
export declare function getSanitizedEnv<T>(environment: unknown, specs: {
    [K in keyof T]: ValidatorSpec<T[K]>;
}, options?: CleanOptions<T>): T;