export type LlmErrorCategory = 'context_overflow' | 'timeout' | 'server_error' | 'connection' | 'rate_limit' | 'auth' | 'max_tokens' | 'client_error' | 'premature_close' | 'thinking_history_corrupted' | 'user_abort' | 'unknown';
export interface LlmErrorClassification {
    category: LlmErrorCategory;
    retryable: boolean;
    message: string;
}
export declare class LlmRetriesExhaustedError extends Error {
    readonly originalError: unknown;
    readonly attempts: number;
    constructor(originalError: unknown, attempts: number);
}
export declare function classifyLlmError(error: unknown): LlmErrorClassification;
export declare function retryDelayForLlmError(classification: LlmErrorClassification, attempt?: number): number | undefined;
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