/**
 * PasswordInput - Masked text input for sensitive data
 *
 * Displays asterisks instead of actual characters.
 * Useful for API key entry.
 */
import React from 'react';
/**
 * Props for the PasswordInput component
 */
export interface PasswordInputProps {
    /** The message/question to display */
    message: string;
    /** Called when user submits (Enter) */
    onSubmit: (value: string) => void;
    /** Called when user cancels (Escape or Ctrl+C) */
    onCancel?: () => void;
    /** Mask character (default: *) */
    mask?: string;
    /** Placeholder text when empty */
    placeholder?: string;
}
/**
 * PasswordInput component
 *
 * A masked text input that shows asterisks instead of actual characters.
 * Supports backspace for deletion and Enter to submit.
 *
 * @example
 * ```tsx
 * <PasswordInput
 *   message="Enter your ANTHROPIC_API_KEY:"
 *   onSubmit={(value) => saveApiKey(value)}
 *   onCancel={() => navigate('back')}
 * />
 * ```
 */
export declare function PasswordInput({ message, onSubmit, onCancel, mask, placeholder, }: PasswordInputProps): React.ReactElement;