/**
 * Base class for errors found during startup.
 */
export declare class OAS3PluginError extends Error {
}
export declare class OAS3PluginOptionsError extends OAS3PluginError {
    constructor(msg: string);
}
export declare class OAS3SpecValidationError extends OAS3PluginError {
    constructor();
}
/**
 * Base class for errors discovered when handling requests.
 */
export declare class OAS3RequestError extends Error {
    readonly statusCode: number;
    constructor(message: string, statusCode: number);
}
export declare class OAS3RequestBadRequestError extends OAS3RequestError {
    constructor(message?: string);
}
export declare class OAS3RequestUnauthorizedError extends OAS3RequestError {
    constructor(message?: string);
}
export declare class OAS3RequestForbiddenError extends OAS3RequestError {
    constructor(message?: string);
}