export declare class ITGlueError extends Error {
    status: number;
    code: string;
    details: unknown;
    constructor(message: string, status: number, code: string, details?: unknown);
    getUserMessage(): string;
}
export declare class RateLimitError extends ITGlueError {
    retryAfter: number;
    constructor(message: string, retryAfter: number, details?: unknown);
    getUserMessage(): string;
}
export declare class ValidationError extends ITGlueError {
    constructor(message: string, details?: unknown);
    getUserMessage(): string;
}
export declare class AuthenticationError extends ITGlueError {
    constructor(message: string, details?: unknown);
    getUserMessage(): string;
}
export declare class PayloadSizeError extends ITGlueError {
    constructor(message: string, details?: unknown);
    getUserMessage(): string;
}
export declare class ErrorHandler {
    static handleApiError(error: unknown): ITGlueError;
    static retryRequest<T>(fn: () => Promise<T>, error: unknown, attempt: number, maxRetries: number, baseDelay?: number): Promise<T>;
}