import { TemplateRef } from '@angular/core';
import { Observable } from 'rxjs';
export interface TreeTableColumn {
    id?: any;
    title: string;
    titleTemplate?: TemplateRef<any>;
    template: TemplateRef<any>;
    thClass?: string;
}
export interface TreeTableItem<T> {
    id: string;
    parentId: string;
    isExpanded?: boolean;
    placeholder?: boolean;
    data: T;
}
export type SortFunction<T> = (data1: T, data2: T) => number;
export type IsSelectedFunc$<T> = (data: T) => Observable<boolean>;
export type ConditionalCellClassFunc<T> = (data: TreeTableItem<T>, column: TreeTableColumn) => string;