import type { ErrorCode } from "../types";
/**
 * Base error class for NDK-Blossom
 */
export declare class NDKBlossomError extends Error {
    code: ErrorCode;
    serverUrl?: string;
    cause?: Error;
    constructor(message: string, code: ErrorCode, serverUrl?: string, cause?: Error);
}
/**
 * Error for upload failures
 */
export declare class NDKBlossomUploadError extends NDKBlossomError {
    constructor(message: string, code: ErrorCode, serverUrl?: string, cause?: Error);
}
/**
 * Error for server issues
 */
export declare class NDKBlossomServerError extends NDKBlossomError {
    status?: number;
    constructor(message: string, code: ErrorCode, serverUrl?: string, status?: number, cause?: Error);
}
/**
 * Error for authentication issues
 */
export declare class NDKBlossomAuthError extends NDKBlossomError {
    constructor(message: string, code: ErrorCode, serverUrl?: string, cause?: Error);
}
/**
 * Error for not found issues
 */
export declare class NDKBlossomNotFoundError extends NDKBlossomError {
    constructor(message: string, code: ErrorCode, serverUrl?: string, cause?: Error);
}
/**
 * Error for optimization issues
 */
export declare class NDKBlossomOptimizationError extends NDKBlossomError {
    constructor(message: string, code: ErrorCode, serverUrl?: string, cause?: Error);
}
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