/**
 * Retry budget utilities for per-error-class retry controls.
 */
export type RetryProfile = "conservative" | "balanced" | "aggressive";
export type RetryBudgetClass = "authRefresh" | "network" | "server" | "rateLimitShort" | "rateLimitGlobal" | "emptyResponse";
export type RetryBudgetLimits = Record<RetryBudgetClass, number>;
export type RetryBudgetOverrides = Partial<RetryBudgetLimits>;
export declare function normalizeRetryBudgetValue(value: unknown): number | undefined;
export declare function resolveRetryBudgetLimits(profile: RetryProfile, overrides?: RetryBudgetOverrides): RetryBudgetLimits;
export declare class RetryBudgetTracker {
    private readonly used;
    private readonly limits;
    constructor(limits: RetryBudgetLimits);
    consume(bucket: RetryBudgetClass): boolean;
    getLimits(): RetryBudgetLimits;
    getUsage(): RetryBudgetLimits;
    getRemaining(bucket: RetryBudgetClass): number;
}
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