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