import type { TUI } from "../tui";
import { Text } from "./text";
/**
 * Compatibility options for existing loader call sites.
 *
 * @deprecated `timeDependentColor` preserves the historical smooth-animation
 * contract: direct local terminals reevaluate colorizers at 60 fps, while
 * remote or multiplexed terminals stay on the shared 80 ms cadence to avoid
 * output churn. The field remains accepted for downstream callers while they
 * migrate to an explicit animation policy.
 */
export interface LoaderOptions {
    timeDependentColor?: boolean;
    /** Request a layout-only repaint when the loader is outside the transcript anchor. */
    renderScope?: "full" | "layout";
}
/** Test-only performance counters for advisory baseline tests. */
export declare const __loaderPerfCounters: {
    liveIntervals: number;
    startedIntervals: number;
    callbackInvocations: number;
    renderRequests: number;
    reset(): void;
};
export declare class Loader extends Text {
    #private;
    private spinnerColorFn;
    private messageColorFn;
    private message;
    private options;
    constructor(ui: TUI, spinnerColorFn: (str: string) => string, messageColorFn: (str: string) => string, message?: string, spinnerFrames?: string[], options?: LoaderOptions);
    render(width: number): string[];
    start(): void;
    stop(): void;
    dispose(): void;
    setMessage(message: string): void;
}