declare namespace Ext {
    export interface BaseConfig {
    }

    export class Base   {
        public clearPropertiesOnDestroy?: boolean;
        public destroyed?: boolean;
        public isConfiguring?: boolean;
        public isFirstInstance?: boolean;
        public isInstance?: boolean;
        public self?: Ext.Class;
        public callOverridden(args?: []): object;
        public callParent(args?: []): object;
        public callSuper(args?: []): object;
        public destroy(): void;
        public getConfig(name?: string, peek?: boolean): object;
        public getInitialConfig(name?: string): object;
        public initConfig(instanceConfig?: object): Ext.Base;
        public setConfig(name?: string | object, value?: object): Ext.Base;
        public statics(): Ext.Class;
        public static addMembers(members?: object, isStatic?: boolean, privacy?: boolean): void;
        public static addStatics(members?: object): Ext.Base;
        public static create(): object;
        public static createAlias(alias?: string | object, origin?: string | object): void;
        public static getName(): string;
        public static override(members?: object): Ext.Base;
    }
}