import * as i0 from "@angular/core";
export interface JsonLd {
    [param: string]: string | Record<string, string> | JsonLd | undefined;
}
export declare class JsonLdService {
    private readonly document;
    private jsonLd?;
    setData(data: JsonLd | JsonLd[]): void;
    getObject(type: string, rawData?: JsonLd, context?: string): JsonLd;
    private inject;
    static ɵfac: i0.ɵɵFactoryDeclaration<JsonLdService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<JsonLdService>;
}