declare namespace Ext {
    export namespace data {
        export interface LocalStoreConfig {
        }

        export class LocalStore extends Ext.Mixin  {
            public add(record?: Ext.data.Model[] | Ext.data.Model | object[] | object): Ext.data.Model[];
            public aggregate(fn?: CallableFunction, scope?: object, grouped?: boolean, field?: string): object;
            public average(field?: string, grouped?: boolean): object;
            public collect(property?: string, includeOptions?: object, filtered?: boolean): object[];
            public count(grouped?: boolean): number;
            public each(fn?: CallableFunction, scope?: object, includeOptions?: object | boolean): void;
            public first(grouped?: boolean): Ext.data.Model | undefined;
            public getById(id?: any): Ext.data.Model;
            public indexOf(record?: Ext.data.Model): number;
            public indexOfId(id?: string): number;
            public insert(index?: number, records?: Ext.data.Model | Ext.data.Model[] | object | object[]): Ext.data.Model[];
            public last(grouped?: boolean): Ext.data.Model | undefined;
            public max(field?: string, grouped?: boolean): object;
            public min(field?: string, grouped?: boolean): object;
            public query(property?: string, value?: string | RegExp, anyMatch?: boolean, caseSensitive?: boolean, exactMatch?: boolean): Ext.util.Collection;
            public queryBy(fn?: CallableFunction, scope?: object): Ext.util.Collection;
            public sum(field?: string, grouped?: boolean): number;
        }
    }
}