/// <reference types="node" />
/// <reference types="node" />
/// <reference types="node" />
/// <reference types="node" />
import { Buffer } from 'node:buffer';
import { SupportedFormat } from '../common/constants';
export declare const getPackageVersion: () => Promise<string>;
export declare const fileExists: (filename: string) => Promise<boolean>;
export declare const streamToBuffer: (input: NodeJS.ReadableStream) => Promise<Buffer>;
export declare const stringifyJSON: (json: any, prettify?: boolean) => string;
export declare const stringifyYAML: (json: any) => Promise<string>;
export declare const evenAndRemainder: (divisor: number, n: number) => [number, number];
export declare const outputInChunks: (buffer: string | Buffer, stream: NodeJS.WritableStream, chunkSize?: number) => void;
export declare const isValidFormat: (arg: string) => arg is "dlf" | "fts" | "llf" | "ftl" | "tea" | "json" | "yaml" | "yml";
export declare const isArxFormat: (arg: SupportedFormat) => arg is "dlf" | "fts" | "llf" | "ftl" | "tea";
export declare const isDataFormat: (arg: SupportedFormat) => arg is "json" | "yaml" | "yml";
export declare const getInputStream: (filename?: string) => Promise<NodeJS.ReadableStream>;
export declare const getOutputStream: (filename?: string) => Promise<NodeJS.WritableStream>;