import type { EngineLimitEngineSnapshot, EngineLimitWindow, JinnConfig } from "./types.js";
export { windowsFromClaudeUsage } from "./engine-limits-claude-usage.js";
import { type JsonRecord } from "./engine-limits-util.js";
export declare function windowFromClaude(name: string, value: unknown, durationMins: number): EngineLimitWindow | undefined;
export declare function claudeSnapshotFile(dir: string): string | null;
export declare function fetchClaudeOAuthUsage(env?: NodeJS.ProcessEnv): Promise<JsonRecord | undefined>;
/**
 * True when a set of windows carries no usage signal at all — every bucket
 * reads 0 (or has no percentage). The usage API can answer 200 with a
 * well-formed but entirely zeroed payload for an account it has no reading
 * for, which is indistinguishable from "you have used nothing" unless another
 * source says otherwise.
 */
export declare function windowsAreAllZero(windows: EngineLimitWindow[]): boolean;
export declare function collectClaudeLimits(config: JinnConfig): Promise<EngineLimitEngineSnapshot>;
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