import type { StdinData } from './types.js';
export declare function readStdin(): Promise<StdinData | null>;
export declare function getContextPercent(stdin: StdinData): number;
export declare function getModelName(stdin: StdinData): string;
export interface RateLimitInfo {
    percent: number;
    resetsIn: string | null;
    /** Pace delta: positive = over-consuming, negative = has headroom. null if unknown. */
    paceDelta: number | null;
}
export declare function getFiveHourUsage(stdin: StdinData): RateLimitInfo | null;
export declare function getSevenDayUsage(stdin: StdinData): RateLimitInfo | null;
/** Returns session cost in USD, or null if Claude Code doesn't provide it. */
export declare function getSessionCost(stdin: StdinData): number | null;
/** Returns human-readable token usage like "550K/1M" */
export declare function getTokenSummary(stdin: StdinData): string | null;