import Int64 = require("node-int64");
import * as thrift from "thrift";
import * as ColumnChunk from "./ColumnChunk";
import * as SortingColumn from "./SortingColumn";
export interface IRowGroupArgs {
    columns: Array<ColumnChunk.ColumnChunk>;
    total_byte_size: number | Int64;
    num_rows: number | Int64;
    sorting_columns?: Array<SortingColumn.SortingColumn>;
}
export declare class RowGroup {
    columns: Array<ColumnChunk.ColumnChunk>;
    total_byte_size: Int64;
    num_rows: Int64;
    sorting_columns?: Array<SortingColumn.SortingColumn>;
    constructor(args: IRowGroupArgs);
    write(output: thrift.TProtocol): void;
    static read(input: thrift.TProtocol): RowGroup;
}