import { type PriceCurrency, type PricedTokenUsage, type TokenUsageDimensions } from './provider-pricing.js';
export interface NativeProviderUsageRecord {
    measurementId: string;
    timestamp: string;
    client: string;
    provider: string;
    billingRoute: string;
    pricingRoute: string;
    model: string | null;
    plan: string | null;
    project: string | null;
    sessionId: string | null;
    usage: TokenUsageDimensions;
    nativeReportedCost: number | null;
    nativeReportedCurrency: PriceCurrency | null;
    source: string;
}
export interface ProviderUsageSummary {
    available: boolean;
    source: string;
    window: {
        days: number;
        since: string | null;
        firstSeen: string | null;
        lastSeen: string | null;
    };
    requestCount: number;
    pricedRequestCount: number;
    unpricedRequestCount: number;
    pricingCoveragePercent: number | null;
    usage: TokenUsageDimensions;
    totalTokens: number;
    apiEquivalentCost: Partial<Record<PriceCurrency, number>>;
    nativeReportedCost: Partial<Record<PriceCurrency, number>>;
    byModel: ProviderUsageGroup[];
    recent: ProviderUsageView[];
}
export interface ProviderUsageGroup {
    client: string;
    provider: string;
    billingRoute: string;
    pricingRoute: string;
    model: string;
    plan: string | null;
    requestCount: number;
    pricedRequestCount: number;
    usage: TokenUsageDimensions;
    totalTokens: number;
    apiEquivalentCost: Partial<Record<PriceCurrency, number>>;
    priceSourceUrl: string | null;
    priceSourceLabel: string;
}
export interface ProviderUsageView extends NativeProviderUsageRecord {
    pricing: PricedTokenUsage;
}
export declare function readCodexUsageFile(filePath: string): Promise<NativeProviderUsageRecord[]>;
export declare function readClaudeUsageFile(filePath: string): Promise<NativeProviderUsageRecord[]>;
export declare function readGeminiUsageFile(filePath: string): NativeProviderUsageRecord[];
export declare function nativeUsageRecordFromHookEvent(event: Record<string, unknown>, source?: string, ordinal?: number): NativeProviderUsageRecord | null;
export declare function summarizeProviderUsage(records: NativeProviderUsageRecord[], recentLimit?: number, window?: {
    days?: number;
    since?: string | null;
}): ProviderUsageSummary;
export declare function readNativeProviderUsage(options?: {
    days?: number;
    recentLimit?: number;
    homeDirectory?: string;
}): Promise<ProviderUsageSummary>;
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