declare namespace Ext {
    export namespace dom {
        export interface QueryConfig {
        }

        export class Query extends Ext.Base  {
            public matchers?: any;
            public operators?: object;
            public pseudos?: any;
            public compile(selector?: string, type?: string): CallableFunction;
            public filter(el?: [], selector?: string, nonMatches?: boolean): [];
            public getNodeValue(node?: object, defaultValue?: string): string;
            public is(el?: string | HTMLElement | [], selector?: string): boolean;
            public jsSelect(selector?: string, root?: string | HTMLElement): [];
            public select(path?: string, root?: HTMLElement, type?: string, single?: boolean): [];
            public selectNode(selector?: string, root?: HTMLElement): HTMLElement;
            public selectNumber(selector?: string, root?: HTMLElement, defaultValue?: number): number;
            public selectValue(selector?: string, root?: HTMLElement, defaultValue?: string): string;
        }
    }
}