import QueryTable from "../query-table";
import ComparableColumn from "./comparable-column";
import { ColumnModifier, ColumnName } from "../helpers/internal-types";
export default class NumberColumn<Table extends QueryTable<any, any>> extends ComparableColumn<Table, number> {
    protected _type: string;
    constructor(table: Table, name: ColumnName, modifiers?: ColumnModifier[]);
    count(): NumberColumn<Table>;
    sum(): NumberColumn<Table>;
    avg(): NumberColumn<Table>;
}