export declare class PageNotFoundError extends Error {
    constructor();
}
export declare class JsonParseError extends Error {
    constructor(nameObj: string);
}
export declare class EmptyParametersError extends Error {
    constructor(method: string);
}
export declare class NoPropertiesError extends Error {
    constructor(method: string);
}
export declare class UnknownActionTypeError extends Error {
    constructor();
}
export declare class UndoWithoutOperationStack extends Error {
    constructor();
}
export declare class WidgetAlreadyRegError extends Error {
    constructor();
}
export declare class WidgetAlreadyExistError extends Error {
    constructor();
}
export declare class OutListError extends Error {
    constructor();
}
export declare class ElementNotFoundError extends Error {
    constructor(method: string);
}
export declare class TableNotFoundError extends Error {
    constructor(method: string);
}
export declare class IndexGreatLenArrError extends Error {
    constructor();
}
export declare class WorkspaceNotExist extends Error {
    constructor();
}