import { MCPError } from './types.js';
export declare class MCPErrorFactory {
    static validation(message: string, hint?: string, detail?: unknown): MCPError;
    static auth(message: string, hint?: string): MCPError;
    static rateLimit(message: string, retryAfter?: number): MCPError;
    static api(message: string, apiName?: string, detail?: unknown): MCPError;
    static system(message: string, retryable?: boolean, detail?: unknown): MCPError;
    static unknownAPI(apiName: string): MCPError;
    static invalidFields(apiName: string, invalidFields: string[], validFields: string[]): MCPError;
    static missingParams(apiName: string, missingParams: string[]): MCPError;
    static invalidParamType(apiName: string, paramName: string, expectedType: string, actualValue: unknown): MCPError;
}
export declare function withErrorBoundary<T extends unknown[], R>(fn: (...args: T) => Promise<R>, context: string): (...args: T) => Promise<R>;
export declare function isMCPError(error: unknown): error is MCPError;
export declare function formatErrorForUser(error: MCPError): string;
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