declare namespace Ext {
    export namespace data {
        export interface BufferedStoreConfig {
            asynchronousLoad?: boolean;
            autoDestroy?: boolean;
            autoLoad?: boolean | object;
            autoSync?: boolean;
            batchUpdateMode?: string;
            fields?: object[] | string[];
            filters?: object[] | CallableFunction[];
            groupDir?: string;
            grouper?: object | Ext.util.Grouper;
            groupField?: string;
            leadingBufferZone?: number;
            listeners?: object;
            model?: string | Ext.data.Model;
            pageSize?: number;
            proxy?: string | Ext.data.proxy.Proxy | object;
            purgePageCount?: number;
            remoteFilter?: boolean;
            remoteSort?: boolean;
            sorters?: Ext.util.Sorter[] | object[];
            sortOnLoad?: boolean;
            statefulFilters?: boolean;
            storeId?: string;
            trackRemoved?: boolean;
            trailingBufferZone?: number;
        }

        export class BufferedStore extends Ext.data.ProxyStore  {
            public isBufferedStore?: boolean;
            public applyData(data?: object | []): void;
            public getLeadingBufferZone(): void;
            public getPageFromRecordIndex(index?: number): number;
            public getPurgePageCount(): void;
            public getTrailingBufferZone(): void;
            public guaranteeRange(start?: number, end?: number, callback?: CallableFunction, scope?: object): void;
            public indexOf(record?: Ext.data.Model): number;
            public indexOfId(id?: string): number;
            public prefetch(options?: object): void;
            public prefetchPage(page?: number, options?: object): void;
            public prefetchRange(start?: object, end?: object): void;
            public setLeadingBufferZone(): void;
            public setPurgePageCount(): void;
            public setTrailingBufferZone(): void;
        }
    }
}