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@devexperts/dxcharts-lite

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/* * Copyright (C) 2019 - 2025 Devexperts Solutions IE Limited * This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0. * If a copy of the MPL was not distributed with this file, You can obtain one at https://mozilla.org/MPL/2.0/. */ export interface Unsubscriber { (): void; } export declare function clearerSafe(arr: Array<Unsubscriber>): Unsubscriber; export declare function identity<T>(x: T): T; export declare function notEmpty<T>(value: T | null | undefined): value is T; export declare const constVoid: () => undefined; export declare function nonNullableTypeGuard<T>(x: T | undefined | null): x is T;