import readline from 'node:readline';
export declare const SAVE_CURSOR = "\u001B[s";
export declare const RESTORE_CURSOR = "\u001B[u";
export declare const CLEAR_TO_END = "\u001B[J";
export declare const colors: {
    readonly reset: "\u001B[0m";
    readonly bold: "\u001B[1m";
    readonly dim: "\u001B[2m";
    readonly red: "\u001B[31m";
    readonly green: "\u001B[32m";
    readonly yellow: "\u001B[33m";
    readonly magenta: "\u001B[35m";
    readonly cyan: "\u001B[36m";
    readonly bgRed: "\u001B[41m";
};
export declare function createReadline(): readline.Interface;
export declare function clearLine(): void;
export declare function askPublic(rl: readline.Interface, query: string): Promise<string>;
/**
 * Generic raw-mode input handler for password-like inputs.
 *
 * SECURITY LIMITATION: Due to Node.js readline constraints, the password is
 * accumulated as a UTF-8 string before conversion to Buffer. This intermediate
 * string may persist in V8's string pool and cannot be reliably zeroed.
 */
export interface RawInputOptions {
    onChar?: (char: string, current: string) => string | null;
    onSubmit?: (value: string) => void;
    onRedraw?: (value: string) => void;
}
export declare function readRawInput(options?: RawInputOptions): Promise<string>;
/**
 * Reads password input with visual feedback (dots) but no actual echo.
 */
export declare function askHidden(rl: readline.Interface, query: string): Promise<Buffer>;
/**
 * Ask a yes/no question with default value.
 */
export declare function askConfirm(rl: readline.Interface, question: string, defaultYes?: boolean): Promise<boolean>;
/**
 * Ask for a number within a range.
 */
export declare function askNumber(rl: readline.Interface, question: string, min: number, max: number, defaultValue: number): Promise<number>;
/**
 * Ask user to select from options.
 */
export declare function askSelect<T extends string>(rl: readline.Interface, question: string, options: Array<{
    key: string;
    value: T;
    label: string;
    detail?: string;
}>, defaultKey: string): Promise<T>;
export declare function drawProgressBar(current: number, total: number, startTime: number): void;
export declare function printBanner(title: string, version: string): void;
export declare function printSuccess(message: string): void;
export declare function printError(message: string): void;
export declare function printWarning(message: string): void;
export declare function printInfo(message: string): void;
export declare function printSecretWarning(): void;
export declare function printMnemonic(mnemonic: string): void;
export declare function printAppPassword(password: string): void;
export declare function printFingerprint(fingerprint: string): void;
export declare function printPEMKey(pem: string, isSecret: boolean): void;
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