/**
 * @packageDocumentation
 *
 * Utility for displaying a prompt modal in Obsidian.
 *
 * This module exports a function to display a modal that prompts the user for input. The modal includes "OK" and "Cancel" buttons.
 */
import type { App } from 'obsidian';
import type { Promisable } from 'type-fest';
import type { MaybeReturn } from '../../Type.cjs';
/**
 * Options for {@link prompt}.
 */
export interface PromptOptions {
    /**
     * An Obsidian app instance.
     */
    app: App;
    /**
     * A text for the "Cancel" button.
     */
    cancelButtonText?: string;
    /**
     * A default value to pre-fill the input field.
     */
    defaultValue?: string;
    /**
     * A text for the "OK" button.
     */
    okButtonText?: string;
    /**
     * A placeholder text for the input field.
     */
    placeholder?: string;
    /**
     * A title of the modal.
     */
    title?: DocumentFragment | string;
    /**
     * A function to validate the input value.
     *
     * @param value - The input value to validate.
     * @returns an error message if the value is invalid, or null if the value is valid.
     */
    valueValidator?(value: string): Promisable<MaybeReturn<string>>;
}
/**
 * Displays a prompt modal in Obsidian to get user input.
 *
 * @param options - The options for the prompt modal.
 * @returns A {@link Promise} that resolves with the user input or null if the prompt was cancelled.
 */
export declare function prompt(options: PromptOptions): Promise<null | string>;