/** Options for configuring a text decoder. */
export interface TextDecoderOptions {
    /** Whether to throw an exception on decoding error. */
    fatal?: boolean;
}
/** Options for decoding a buffer. */
export interface DecodeOptions {
    /** Whether to decode in a streaming fashion, that is, wait until */
    stream?: boolean;
}
/**
 * A class that can decode UTF-8 text in a streaming fashion.
 *
 * @example
 * ```js
 * const decoder = new TextDecoder();
 * let chunk;
 * let result = "";
 * while (chunk = await getNextChunk()) {
 *   result += decoder.decode(chunk, { stream: true });
 * }
 * result += decoder.decode();
 * ```
 */
export declare class TextDecoder {
    #private;
    /** Returns 'utf-8'. */
    get encoding(): string;
    /**
     * Whether the decoder will throw an exception on an invalid character.
     *
     * If false, invalid bytes are replaced by a UTF-8 replacement character.
     */
    get fatal(): boolean;
    /** Constructs a new TextDecoder. */
    constructor(encoding?: string, options?: TextDecoderOptions);
    /**
     * Decodes a buffer of UTF-8 encoded data.
     *
     * @param buffer The data to decode. If null is passed, represents the last chunk.
     * @param options Decoding options, whether to decode in a streaming fashion.
     */
    decode(buffer?: ArrayBuffer | ArrayBufferView, options?: DecodeOptions): any;
}