import { Readable } from 'stream';
import { VSBuffer } from '@vscode-alt/monaco-editor/esm/vs/base/common/buffer';
export declare const UTF8 = "utf8";
export declare const UTF8_with_bom = "utf8bom";
export declare const UTF16be = "utf16be";
export declare const UTF16le = "utf16le";
export declare const UTF16be_BOM: number[];
export declare const UTF16le_BOM: number[];
export declare const UTF8_BOM: number[];
export interface IDecodeStreamOptions {
    guessEncoding: boolean;
    minBytesRequiredForDetection?: number;
    overwriteEncoding(detectedEncoding: string | null): string;
}
export interface IDecodeStreamResult {
    stream: NodeJS.ReadableStream;
    detected: IDetectedEncodingResult;
}
export declare function toDecodeStream(readable: Readable, options: IDecodeStreamOptions): Promise<IDecodeStreamResult>;
export declare function decode(buffer: Buffer, encoding: string): string;
export declare function encode(content: string | Buffer, encoding: string, options?: {
    addBOM?: boolean;
}): Buffer;
export declare function encodingExists(encoding: string): boolean;
export declare function encodeStream(encoding: string, options?: {
    addBOM?: boolean;
}): NodeJS.ReadWriteStream;
export declare function detectEncodingByBOMFromBuffer(buffer: Buffer | VSBuffer | null, bytesRead: number): string | null;
/**
 * The encodings that are allowed in a settings file don't match the canonical encoding labels specified by WHATWG.
 * See https://encoding.spec.whatwg.org/#names-and-labels
 * Iconv-lite strips all non-alphanumeric characters, but ripgrep doesn't. For backcompat, allow these labels.
 */
export declare function toCanonicalName(enc: string): string;
export interface IDetectedEncodingResult {
    encoding: string | null;
    seemsBinary: boolean;
}
export interface IReadResult {
    buffer: Buffer | null;
    bytesRead: number;
}
export declare function detectEncodingFromBuffer(readResult: IReadResult, autoGuessEncoding?: false): IDetectedEncodingResult;
export declare function detectEncodingFromBuffer(readResult: IReadResult, autoGuessEncoding?: boolean): Promise<IDetectedEncodingResult>;
export declare function resolveTerminalEncoding(verbose?: boolean): Promise<string>;