declare namespace Ext {
    export interface BootConfig {
        assetConfig?: object;
        charset?: string;
        disableCaching?: boolean;
        disableCachingParam?: string;
        loadDelay?: boolean;
        preserveScripts?: boolean;
    }

    export class Boot   {
        public currentFile?: any;
        public useElements?: any;
        public detectPlatformTags(tags?: object): void;
        public getConfig(name?: string): object;
        public getPathsFromIndexes(indexMap?: object, loadOrder?: object): void;
        public loadPlatformsParam(): object;
        public setConfig(config?: object): Ext.Boot;
    }
}