/*!
 * Copyright (c) Microsoft Corporation and contributors. All rights reserved.
 * Licensed under the MIT License.
 */
/**
 * Converts the provided {@link https://en.wikipedia.org/wiki/Base64 | base64}-encoded string
 * to {@link https://en.wikipedia.org/wiki/UTF-8 | utf-8}.
 *
 * @deprecated Moved to the `@fluidframework-internal/client-utils` package.
 * @internal
 */
export declare const fromBase64ToUtf8: (input: string) => string;
/**
 * Converts the provided {@link https://en.wikipedia.org/wiki/UTF-8 | utf-8}-encoded string
 * to {@link https://en.wikipedia.org/wiki/Base64 | base64}.
 *
 * @deprecated Moved to the `@fluidframework-internal/client-utils` package.
 * @internal
 */
export declare const fromUtf8ToBase64: (input: string) => string;
/**
 * Convenience function to convert unknown encoding to utf8 that avoids
 * buffer copies/encode ops when no conversion is needed.
 * @param input - The source string to convert.
 * @param encoding - The source string's encoding.
 *
 * @deprecated Moved to the `@fluidframework-internal/client-utils` package.
 * @internal
 */
export declare const toUtf8: (input: string, encoding: string) => string;
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