/**
 * Base class for all HTTP Test related errors.
 * Provides consistent error structure and handling across the library.
 */
export declare abstract class HttpTestError extends Error {
    /**
     * Error code for programmatic identification
     */
    abstract readonly code: string;
    /**
     * HTTP status code if applicable
     */
    readonly statusCode?: number;
    /**
     * Additional context for the error
     */
    readonly context?: Record<string, unknown>;
    /**
     * Timestamp when the error occurred
     */
    readonly timestamp: Date;
    constructor(message: string, context?: Record<string, unknown>);
    /**
     * Converts error to a structured object for logging or serialization
     */
    toJSON(): Record<string, unknown>;
    /**
     * Creates a formatted error message for display
     */
    getDisplayMessage(): string;
}