/**
 * Implements lazy initialization for getter or memoization of a function call similar to pure {@link: Pipe}.
 * Replaces getter with its calculated value upon first call or keeps track of last call arguments and returned
 * value for function, skipping calculation when arguments are strictly the same.
 *
 * @throws error if used not on getter or function
 *
 * CAUTION: they must be pure.
 * @deprecated use computed instead
 */
export declare function tuiPure<T>(target: object, propertyKey: string, { get, enumerable, value }: TypedPropertyDescriptor<T>): TypedPropertyDescriptor<T>;
/**
 * Implements lazy initialization for getter or memoization of a function call similar to pure {@link: Pipe}.
 * Replaces getter with its calculated value upon first call or keeps track of last call arguments and returned
 * value for function, skipping calculation when arguments are strictly the same.
 *
 * CAUTION: they must be pure.
 * @deprecated use computed instead
 */
export declare function tuiPure<A extends unknown[], R>(target: (...args: A) => R, context: ClassGetterDecoratorContext | ClassMethodDecoratorContext): (...args: A) => R;
export declare class TuiPureException extends Error {
    constructor();
}