declare namespace Ext {
    export namespace grid {
        export namespace selection {
            export interface RowsConfig {
            }

            export class Rows extends Ext.grid.selection.Selection  {
                public isRows?: boolean;
                public beginUpdate(): void;
                public contains(record?: Ext.data.Model): boolean;
                public endUpdate(): void;
                public getCount(): number;
                public getFirstRowIndex(): number;
                public getLastRowIndex(): number;
                public getRecords(): Ext.data.Model[];
            }
        }
    }
}