/** Quote one argument for use in a POSIX shell command. */
export declare function quotePosixArgument(value: string): string;
/** Quote argv for use as a POSIX shell command string. */
export declare function quotePosixArgv(argv: readonly string[]): string;
/**
 * Build a POSIX shell command without literal non-ASCII input.
 * The optional cwd is quoted and changed to before invoking the command.
 */
export declare function quotePosixArgvAsciiSafe(argv: readonly string[], cwd?: string): string;