declare namespace Ext {
    export namespace util {
        export interface HashMapConfig {
            keyFn?: CallableFunction;
            listeners?: object;
        }

        export class HashMap extends Ext.Base  {
            public generation?: any;
            public add(key?: string | object, o?: object): object;
            public clear(initial?: object): void;
            public clone(): Ext.util.HashMap;
            public constructor(config?: object);
            public contains(value?: object): boolean;
            public containsKey(key?: string): boolean;
            public each(fn?: CallableFunction, scope?: object): Ext.util.HashMap;
            public get(key?: string): object;
            public getCount(): number;
            public getKey(o?: object): string;
            public getKeyFn(): void;
            public getKeys(): [];
            public getValues(): [];
            public remove(o?: object): boolean;
            public removeAtKey(key?: string): boolean;
            public removeByKey(key?: string): boolean;
            public replace(key?: string, value?: object): object;
            public setKeyFn(): void;
        }
    }
}