import type { CredentialRankingContext, CredentialRankingStrategy, UsageLimit, UsageProvider, UsageReport } from "../usage.js";
export declare const antigravityUsageProvider: UsageProvider;
/** Map an Antigravity model id to its backend quota-counter key. */
export declare function getAntigravityCounterKeyForModel(modelId: string | undefined): string | undefined;
/**
 * Scope an Antigravity report to the active model's backend counter, falling
 * back to legacy default counters only when that backend has no limits.
 *
 * Exhaustion checks are only safe with a concrete backend counter. A no-model
 * credential lookup (for example image-provider discovery) must not turn one
 * exhausted family into a provider-wide block.
 */
export declare function scopeAntigravityLimitsForModel(report: UsageReport, context: CredentialRankingContext | undefined): UsageLimit[];
/**
 * Antigravity quotas are returned per backend counter (Anthropic / Google /
 * OpenAI) and can include both daily and weekly windows. `fetchAntigravityUsage`
 * sorts `limits` ascending by `remainingFraction`; after model-family scoping,
 * the most-pressured relevant counter/window is index 0.
 *
 * Leave `secondary` unset: AuthStorage compares secondary metrics before
 * primary metrics, which is correct for providers with a fixed short/long
 * split but wrong here. Ranking Antigravity by the bottleneck counter first
 * avoids preferring an account at 95% Gemini daily / 0% Claude weekly over one
 * with healthier Gemini headroom.
 */
export declare const antigravityRankingStrategy: CredentialRankingStrategy;