import { OnInit, EventEmitter, ElementRef } from "@angular/core";
import * as i0 from "@angular/core";
export declare class CaptchaComponent implements OnInit {
    canvasDom: ElementRef;
    type: string;
    canvas_id: string;
    drawCode: Array<string>;
    vCode: string;
    changeVal: EventEmitter<any>;
    onEnter: EventEmitter<any>;
    code: string;
    constructor();
    ngOnInit(): void;
    ngAfterViewInit(): void;
    updateDrawCode(): void;
    randomColor(): string;
    enter(e: any): void;
    onChange(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<CaptchaComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<CaptchaComponent, "fm-captcha", never, { "type": { "alias": "type"; "required": false; }; "canvas_id": { "alias": "canvas_id"; "required": false; }; "drawCode": { "alias": "drawCode"; "required": false; }; "vCode": { "alias": "vCode"; "required": false; }; }, { "changeVal": "changeVal"; "onEnter": "onEnter"; }, never, never, true, never>;
}