export interface RetryConfig {
    maxRetries: number;
    initialDelayMs: number;
    maxDelayMs: number;
    backoffFactor: number;
    jitter: boolean;
    retryableStatuses: readonly number[];
}
export type RetryPolicy = {
    kind: "none";
} | {
    kind: "idempotent";
} | {
    kind: "custom";
    config: RetryConfig;
};
export declare const RetryPolicy: {
    None: {
        readonly kind: "none";
    };
    Idempotent: {
        readonly kind: "idempotent";
    };
    custom(config: RetryConfig): RetryPolicy;
};
export declare const DEFAULT_RETRY_CONFIG: RetryConfig;
export declare function idempotentRetryConfig(): RetryConfig;
export declare function retryConfigForPolicy(policy: RetryPolicy): RetryConfig | null;
export declare function delayForAttempt(config: RetryConfig, attempt: number): number;
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