import type { SessionStats } from '../../slash/types.js';
export type ContextTier = 'quiet' | 'normal' | 'caution' | 'near' | 'over';
export declare function formatContextUsage(contextPct: number, contextLimit: number): {
    tier: ContextTier;
    text: string | null;
};
export declare function printTurnFooter(meta: {
    durationMs?: number;
    totalCostUsd?: number;
    usage?: Record<string, unknown>;
} | undefined, stats: SessionStats, write?: (line: string) => void): void;
export declare function printTurnSeparator(write: (line: string) => void, stdout?: {
    isTTY?: boolean;
}): void;