/**
 * Error classes for FFI-level errors.
 *
 * These wrap the protobuf error types and provide proper Error inheritance
 * for use with instanceof checks and stack traces.
 */
/**
 * Exception raised when req_transformer fails (integration error).
 * Wraps IntegrationError proto and provides access to proto fields.
 */
export declare class IntegrationError extends Error {
    proto: any;
    constructor(proto: any);
    get errorCode(): string;
    get suggestedAction(): string | undefined;
    get docUrl(): string | undefined;
}
/**
 * Exception raised when res_transformer fails (response transformation error).
 * Wraps ConnectorError proto and provides access to proto fields.
 */
export declare class ConnectorError extends Error {
    proto: any;
    constructor(proto: any);
    get errorCode(): string;
    get httpStatusCode(): number | undefined;
}
