import { type SpinnerName, type SpinnerVariant } from "../spinners.js";
import type { TUI } from "../tui.js";
import { Text } from "./text.js";
/**
 * Loader component that updates with a spinning animation.
 *
 * Uses the shared spinners library (`SPINNERS.breathe` by default). Pass
 * `variant: "scan" | "helix" | ...` to swap the frame set.
 */
export declare class Loader extends Text {
    private spinnerColorFn;
    private messageColorFn;
    private message;
    private showElapsed;
    private spinner;
    private currentFrame;
    private intervalId;
    private ui;
    private readonly startTime;
    constructor(ui: TUI, spinnerColorFn: (str: string) => string, messageColorFn: (str: string) => string, message?: string, variant?: SpinnerName | SpinnerVariant, showElapsed?: boolean);
    render(width: number): string[];
    start(): void;
    stop(): void;
    setMessage(message: string): void;
    setVariant(variant: SpinnerName | SpinnerVariant): void;
    private updateDisplay;
}
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