import type { UsageStats } from '../../lib/api-client/usage';
export type UsageScope = 'project' | 'global';
export declare const RANGE_OPTIONS: readonly [{
    readonly value: "7";
    readonly label: "7D";
    readonly days: 7;
    readonly title: "Last 7 days";
}, {
    readonly value: "30";
    readonly label: "30D";
    readonly days: 30;
    readonly title: "Last 30 days";
}, {
    readonly value: "90";
    readonly label: "90D";
    readonly days: 90;
    readonly title: "Last 90 days";
}, {
    readonly value: "all";
    readonly label: "ALL";
    readonly days: 0;
    readonly title: "All recorded activity";
}];
export type UsageRangeKey = (typeof RANGE_OPTIONS)[number]['value'];
export type UsageDay = UsageStats['daily'][number];
export type UsageTotals = UsageStats['totals'];
export interface UsageDashboardData {
    stats: UsageStats | null;
    loading: boolean;
    error: string | null;
    scope: UsageScope;
    setScope: (scope: UsageScope) => void;
    rangeKey: UsageRangeKey;
    setRangeKey: (key: UsageRangeKey) => void;
    rangeLabel: string;
    /** Gap-free daily series covering the selected window. */
    series: UsageDay[];
    activeDays: number;
    /** Server totals for the preceding window of equal length, if bounded. */
    previous: UsageTotals | null;
    refresh: () => void;
    scopeLabel: string;
}
/**
 * Loads usage stats for the selected scope and range. The range is applied
 * server-side, so every aggregate — totals, providers, models, daily — covers
 * exactly the selected window rather than lifetime activity.
 */
export declare function useUsageDashboardData(): UsageDashboardData;
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