export interface Cache { set(key: string, value: any): value get(key: string): any clear(): void } export interface Expr { setConfig(config: { contentSecurityPolicy: boolean }): void Cache: { new (maxSize: number): Cache } split(path: string): string[] setter(path: string): (data: any, value: any) => any getter(path: string, safe?: boolean): (data: any) => any join(segments: string[]): string forEach( path: string | string[], callback: ( part: string, isBracket: boolean, isArray: boolean, idx: number, parts: string[] ) => any ): void } declare const expr: Expr export = expr