import { Observable } from 'rxjs';
export declare type ISvgLoaderReturnValue = string | undefined;
export declare type ISvgRequestPatternFunc = (svgKey: string) => string;
export declare type ISvgLoaderHttpFunc = (svgKey: string) => Observable<ISvgLoaderReturnValue>;
export declare type ISvgLoaderErrorReturnValueStreamFunc = (err: any) => Observable<ISvgLoaderReturnValue>;
export interface ISvgLoaderService {
    readonly load: (svgKey: string) => Observable<ISvgLoaderReturnValue>;
}
export interface ISvgLoaderBrowserCacheService {
    readonly get: (svgKey: string) => string | undefined;
    readonly set: (svgKey: string, value: string) => void;
}
export interface StringDict {
    readonly [key: string]: string;
}
export interface ISvgServerCache {
    readonly set: (key: string, value: string) => void;
    readonly get: (key: string) => string;
}