/**
 * Represents an error definition for the Agents SDK.
 * Each error definition includes an error code, description, and an optional help link.
 * If helplink is not provided, a default help link will be used.
 */
export interface AgentErrorDefinition {
    /**
     * Error code for the exception
     */
    code: number;
    /**
     * Displayed error message
     */
    description: string;
    /**
     * Optional help URL link for the error.
     * If not provided, the default help link will be used.
     */
    helplink?: string;
}
/**
 * Enhanced error type with additional properties for error code, help link, and inner exception.
 * This interface extends the standard Error type with custom properties added by ExceptionHelper.
 */
export interface AgentError extends Error {
    /**
     * Error code for the exception
     */
    code: number;
    /**
     * Help URL link for the error
     */
    helpLink: string;
    /**
     * Optional inner exception
     */
    innerException?: Error;
}
/**
 * Helper class for generating exceptions with error codes.
 */
export declare class ExceptionHelper {
    /**
     * Default help link template for error codes.
     * The {errorCode} token will be replaced with the actual error code.
     */
    static readonly DEFAULT_HELPLINK = "https://aka.ms/M365AgentsErrorCodesJS/#{errorCode}";
    /**
     * Generates a typed exception with error code and help link.
     * The message format is: [CODE] - [message] - [helplink]
     * @param ErrorType The constructor of the error type to create
     * @param errorDefinition The error definition containing code, description, and optional help link
     * @param innerException Optional inner exception
     * @param params Optional parameters object for message formatting with key-value pairs
     * @returns A new exception instance with error code and help link, typed as AgentError
     */
    static generateException<T extends Error>(ErrorType: new (message: string, innerException?: Error) => T, errorDefinition: AgentErrorDefinition, innerException?: Error, params?: {
        [key: string]: string;
    }): T & AgentError;
}