import { type JsonObject } from '../depot/shape.js';
/** depot.core.v1.ProjectUsage, as returned by both ListProjectUsage rows and GetProjectUsage. */
export interface ProjectUsage {
    projectId: string | undefined;
    buildCount: number | undefined;
    buildDurationSeconds: number | undefined;
    layerCacheSizeGb: number | undefined;
}
/**
 * GetProjectUsage nests the record under `usage` (per depot/proto, and observed live 2026-09-06);
 * ListProjectUsage rows are the bare record. Accept both.
 */
export declare function parseProjectUsage(source: JsonObject): ProjectUsage;
export interface UsageWindowInput {
    readonly days: number;
    readonly startAt?: string | undefined;
    readonly endAt?: string | undefined;
}
/**
 * The window every usage tool accepts: an explicit startAt/endAt pair (a date-only endAt covers
 * that whole day) or a "days" look-back from now. Giving only one boundary is refused rather
 * than guessed at.
 */
export declare function resolveUsageWindow(input: UsageWindowInput, now?: number): {
    startAt: string;
    endAt: string;
};
//# sourceMappingURL=usage.d.ts.map