import { OnInit } from '@angular/core';
import { Letter } from '@schoolbelle/api/letter';
import { ReadTableRowData } from '@schoolbelle/api/letter-read';
export declare class ChartsCarouselComponent implements OnInit {
    letter: Partial<Letter>;
    rows: ReadTableRowData[];
    hasSurvey: boolean;
    target_cnt: number;
    read_cnt: number;
    reply_cnt: number;
    constructor();
    ngOnInit(): void;
    ngAfterViewInit(): void;
    ngOnDestroy(): void;
}