import { IgCollection } from "igniteui-angular-core";
import { SyncableObservableCollection$2 } from "igniteui-angular-core";
import { CalloutAnnotation as CalloutAnnotation_internal } from './CalloutAnnotation';
import { IgxCalloutAnnotation as IgxCalloutAnnotation } from './igx-callout-annotation';
export declare class IgxCalloutAnnotationCollection extends IgCollection<IgxCalloutAnnotation, CalloutAnnotation_internal> {
    constructor(list?: IgxCalloutAnnotation[]);
    protected _createInnerColl(): SyncableObservableCollection$2<IgxCalloutAnnotation, CalloutAnnotation_internal>;
}