import type { Writable } from 'node:stream';
export declare const COMET_TAGLINE = "Agent Skill Harness For Turning Ideas Into Evaluated Workflows";
export declare const COMET_LOGO: readonly ["   ██████╗ ██████╗ ███╗   ███╗███████╗████████╗", "  ██╔════╝██╔═══██╗████╗ ████║██╔════╝╚══██╔══╝", "  ██║     ██║   ██║██╔████╔██║█████╗     ██║   ", "  ██║     ██║   ██║██║╚██╔╝██║██╔══╝     ██║   ", "  ╚██████╗╚██████╔╝██║ ╚═╝ ██║███████╗   ██║   ", "   ╚═════╝ ╚═════╝ ╚═╝     ╚═╝╚══════╝   ╚═╝   "];
type AnimationPhase = 'preheat' | 'sweep' | 'settle';
export declare const COMET_BANNER_LINE_COUNT: number;
export declare function renderCometAnimationFrame(phase: AnimationPhase, progress: number): string;
export declare function renderCometBanner(options?: {
    color?: boolean;
}): string;
export declare function renderCometBannerFrame(litColumns: number, particleFrame?: number): string;
export type BannerRuntime = {
    isTTY: boolean;
    env: NodeJS.ProcessEnv;
    getColumns: () => number | undefined;
    write: (chunk: string) => void | Promise<void>;
    sleep: (milliseconds: number) => Promise<void>;
};
export declare function createBannerStreamWriter(stream: Writable): BannerRuntime['write'];
export declare function canAnimateCometBanner(runtime: Pick<BannerRuntime, 'isTTY' | 'env' | 'getColumns'>): boolean;
export declare function printCometBanner(options?: {
    enabled?: boolean;
    runtime?: Partial<BannerRuntime>;
}): Promise<void>;
export {};
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