export declare class FlatTreeNodeModel {
    children?: FlatTreeNodeModel[];
    value: any;
    displayValue: string;
    checked?: boolean;
    checkedDisplay?: boolean;
    filterChecked?: boolean;
    level: number;
    expandable?: boolean;
    isExpanded?: boolean;
    isFilterExpanded?: boolean;
    display?: boolean;
    _displayFuncInput?: ((node: any) => boolean) | boolean;
    disabled?: boolean;
    _disabledFuncInput?: ((node: any) => boolean) | boolean;
}