import { type Key } from './keys.js';
import { Prompt } from './prompt.js';
import type { Style } from './style.js';
/** One line of free text, with the cursor drawn as reverse video over it. */
export declare class TextPrompt extends Prompt<string> {
    #private;
    protected readonly style: Style;
    readonly title: string;
    constructor(style: Style, title: string, initial: string);
    /** An error to show instead of accepting, or `undefined` to accept. */
    protected validate(_value: string): string | undefined;
    /** The line under the field when there is nothing wrong with the value. */
    protected hint(): string;
    frame(width: number): readonly string[];
    summary(width: number): string;
    protected handle(key: Key): void;
}
/** Yes or no, defaulting to whichever the caller says is safe. */
export declare class ConfirmPrompt extends Prompt<boolean> {
    #private;
    private readonly style;
    private readonly title;
    constructor(style: Style, title: string, initial: boolean);
    frame(width: number): readonly string[];
    summary(width: number): string;
    protected handle(key: Key): void;
}
export interface SelectItem {
    readonly value: string;
    readonly label: string;
    readonly hint: string;
}
/**
 * A multi-select list: space toggles, the arrows move, Enter takes the set.
 *
 * The list scrolls rather than being clipped, because eighteen features do not fit
 * a 24-row terminal alongside anything else. The window offset is the one piece of
 * state `frame` writes, since only `frame` is told how tall the terminal is.
 */
export declare class SelectPrompt extends Prompt<readonly string[]> {
    #private;
    protected readonly style: Style;
    readonly title: string;
    protected readonly items: readonly SelectItem[];
    constructor(style: Style, title: string, items: readonly SelectItem[], initial?: readonly string[]);
    /** Values the chosen set pulls in without the user having chosen them. */
    protected implied(_chosen: ReadonlySet<string>): ReadonlySet<string>;
    /** Lines between the list and the footer: what came along, what it needs. */
    protected notes(_chosen: ReadonlySet<string>): readonly string[];
    frame(width: number, height: number): readonly string[];
    summary(width: number): string;
    protected handle(key: Key): void;
}