import * as i0 from "@angular/core";
export declare const RXAP_CHANGELOG_LAST_VERSION = "RXAP_CHANGELOG_LAST_VERSION";
export declare const RXAP_CHANGELOG_DISABLED = "RXAP_CHANGELOG_DISABLED";
export declare class ChangelogService {
    private readonly version;
    private readonly applicationRef;
    showChangelogDialog(): void;
    get isDisabled(): boolean;
    get lastVersion(): string | null;
    set lastVersion(version: string | null);
    showChangelogDialogIfNewVersion(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<ChangelogService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<ChangelogService>;
}