declare namespace Ext {
    export namespace util {
        export interface FilterConfig {
            anyMatch?: boolean;
            caseSensitive?: boolean;
            disabled?: boolean;
            disableOnEmpty?: boolean;
            exactMatch?: boolean;
            filterFn?: CallableFunction;
            id?: string;
            operator?: string;
            property?: string;
            root?: string;
            scope?: object;
            serializer?: CallableFunction;
            value?: RegExp;
        }

        export class Filter extends Ext.Base  {
            public constructor(config?: object);
            public getAnyMatch(): void;
            public getCaseSensitive(): void;
            public getDisableOnEmpty(): void;
            public getDisabled(): void;
            public getExactMatch(): void;
            public getFilterFn(): void;
            public getId(): void;
            public getOperator(): void;
            public getProperty(): void;
            public getRoot(): void;
            public getSerializer(): void;
            public getState(): object;
            public getValue(): void;
            public serialize(): object;
            public setAnyMatch(): void;
            public setCaseSensitive(): void;
            public setDisableOnEmpty(): void;
            public setDisabled(): void;
            public setExactMatch(): void;
            public setFilterFn(): void;
            public setId(): void;
            public setOperator(): void;
            public setProperty(): void;
            public setRoot(): void;
            public setSerializer(): void;
            public setValue(): void;
            public static createFilterFn(filters?: Ext.util.Filter[] | Ext.util.Collection): CallableFunction;
            public static isEqual(filter1?: Ext.util.Filter, filter2?: Ext.util.Filter): boolean;
        }
    }
}