import type { AxiosRequestConfig } from "axios";
import type { Answers } from "./core/questions";
/**
 *
 * @param message
 */
export declare function error(message: string): void;
export declare const isWindows: boolean;
/**
 * Executes an npm command with update-notifier disabled and common parameters
 *
 * @param args The npm command arguments
 * @param options (optional) Some options for the command execution
 */
export declare function executeNpmCommand(args: string[], options?: Partial<ExecuteCommandOptions>): Promise<ExecuteCommandResult>;
/**
 *
 */
export interface ExecuteCommandOptions {
    /** Whether the executed command should be logged to the stdout. Default: false */
    logCommandExecution: boolean;
    /** The directory to execute the command in */
    cwd: string;
    /** Where to redirect the stdin. Default: process.stdin */
    stdin: NodeJS.ReadStream;
    /** A write stream to redirect the stdout, "ignore" to ignore it or "pipe" to return it as a string. Default: process.stdout */
    stdout: NodeJS.WriteStream | "pipe" | "ignore";
    /** A write stream to redirect the stderr, "ignore" to ignore it or "pipe" to return it as a string. Default: process.stderr */
    stderr: NodeJS.WriteStream | "pipe" | "ignore";
    /** Environment variables for the command */
    env: Record<string, string>;
}
/**
 *
 */
export interface ExecuteCommandResult {
    /** The exit code of the spawned process */
    exitCode?: number;
    /** The signal the process received before termination */
    signal?: string;
    /** If options.stdout was set to "buffer", this contains the stdout of the spawned process */
    stdout?: string;
    /** If options.stderr was set to "buffer", this contains the stderr of the spawned process */
    stderr?: string;
}
export declare function executeCommand(command: string, options?: Partial<ExecuteCommandOptions>): Promise<ExecuteCommandResult>;
/**
 * Executes a command and returns the exit code and (if requested) the stdout
 *
 * @param command The command to execute
 * @param args The command line arguments for the command
 * @param options (optional) Some options for the command execution
 */
export declare function executeCommand(command: string, args: string[], options?: Partial<ExecuteCommandOptions>): Promise<ExecuteCommandResult>;
/**
 * Recursively enumerates all files in the given directory
 *
 * @param dir The directory to scan
 * @param predicate An optional predicate to apply to every found file system entry
 * @returns A list of all files found
 */
export declare function enumFilesRecursiveSync(dir: string, predicate?: (name: string, parentDir: string) => boolean): string[];
/**
 * Recursively copies all files from the source to the target directory
 *
 * @param sourceDir The directory to scan
 * @param targetDir The directory to copy to
 * @param predicate An optional predicate to apply to every found file system entry
 */
export declare function copyFilesRecursiveSync(sourceDir: string, targetDir: string, predicate?: (name: string) => boolean): void;
/**
 * Adds https proxy options to an axios request if they were defined as an env variable
 *
 * @param options The options object passed to axios
 */
export declare function applyHttpsProxy(options: AxiosRequestConfig): AxiosRequestConfig;
/**
 *
 * @param licenseText
 * @param answers
 */
export declare function formatLicense(licenseText: string, answers: Answers): string;
/**
 *
 * @param answers
 */
export declare function getFormattedLicense(answers: Answers): string;
/**
 * Replaces 4-space indentation with tabs
 *
 * @param text
 */
export declare function indentWithTabs(text: string): string;
/**
 * Replaces tab indentation with 4 spaces
 *
 * @param text
 */
export declare function indentWithSpaces(text: string): string;
/**
 * Normalizes formatting of a JSON string
 *
 * @param json
 * @param indentation
 */
export declare function formatJsonString(json: string, indentation: "Tab" | "Space (4)"): string;
export declare enum Quotemark {
    "single" = "'",
    "double" = "\""
}
/**
 * Formats a JS source file to use single quotes
 *
 * @param sourceText
 * @param quotes
 */
export declare function jsFixQuotes(sourceText: string, quotes: keyof typeof Quotemark): string;
/**
 * Formats a TS source file to use single quotes
 *
 * @param sourceText
 * @param quotes
 */
export declare function tsFixQuotes(sourceText: string, quotes: keyof typeof Quotemark): string;
/**
 *
 * @param sourceText
 * @param answers
 * @param extension
 */
export declare function formatWithPrettier(sourceText: string, answers: Pick<Answers, "quotes" | "indentation">, extension: "js" | "ts" | "json"): Promise<string>;
/**
 *
 */
export declare function getOwnVersion(): string;
/**
 *
 * @param name
 */
export declare function capitalize(name: string): string;
/**
 *
 * @param name
 */
export declare function kebabCaseToUpperCamelCase(name: string): string;
/**
 *
 */
export declare function getRequestTimeout(): number;