import type { Aliases } from './aliases';
import type { Token } from './tokenize';
export declare abstract class Node {
    abstract lastToken(): [Token | null, boolean];
}
export declare class CommandNode extends Node {
    readonly name: Token;
    readonly suffix: Token[];
    readonly redirects?: RedirectNode[] | undefined;
    constructor(name: Token, suffix: Token[], redirects?: RedirectNode[] | undefined);
    lastToken(): [Token | null, boolean];
}
export declare class PipeNode extends Node {
    readonly commands: CommandNode[];
    constructor(commands: CommandNode[]);
    lastToken(): [Token | null, boolean];
}
export declare class RedirectNode extends Node {
    readonly token: Token;
    readonly target: Token;
    constructor(token: Token, target: Token);
    lastToken(): [Token | null, boolean];
}
export declare function parse(source: string, throwErrors?: boolean, aliases?: Aliases): Node[];