import { EventEmitter } from '@angular/core';
import { ElementTrackerService } from '../../services/element-tracker.service';
import { ValidationService } from '../../services/validation.service';
import { DataService } from '../../services/data.service';
import { WhenClauseService } from '../../services/whenClause.service';
import { HttpClient } from '@angular/common/http';
import { HiddenFieldService } from '../../services/hidden-field.service';
import * as i0 from "@angular/core";
export interface Attachment {
    fileId: string;
    fileName: string;
    fileUrl: string;
    previewUrl?: string;
}
export declare class FilePickerFieldsComponent {
    private validationService;
    private tracker;
    private dataService;
    private whenClauseService;
    private http;
    private hiddenFieldService;
    question: any;
    inLine: boolean;
    inCard: boolean;
    submissionIndex: number;
    answerChange: EventEmitter<{
        answer: any;
        maxPossibleScore?: number | undefined;
    }>;
    inlineDeleteFiles: EventEmitter<any>;
    count: number;
    required: boolean;
    hint: string;
    multiFileUploads: boolean;
    fileTypes: string[];
    fileSize: number;
    fileSizeUnit: string;
    totalFileSize: number;
    initialFileSize: number;
    initialTotalSize: number;
    dragAndDrop: boolean;
    previewUploadedFiles: boolean;
    validationFailed: boolean;
    validationMessage: string;
    attachments: Attachment[];
    timeoutId: any;
    avatarPicker: boolean;
    files: any;
    private elementId;
    apiUrl: string;
    selectedFile: File;
    selectedFiles: any;
    disableEdit: boolean;
    header: any;
    constructor(validationService: ValidationService, tracker: ElementTrackerService, dataService: DataService, whenClauseService: WhenClauseService, http: HttpClient, hiddenFieldService: HiddenFieldService);
    ngOnInit(): void;
    valueAssigned(): void;
    convertUrl(): void;
    convertToBytes(size: number, unit: string): number;
    handleFileTypeNotAllowed(fileType: string): void;
    handleFileSize(event: string): void;
    clearValidationMessageAfterTimeout(): void;
    onFileChange(event: any): void;
    handleFinalArray(fileType: any[]): void;
    deleteFiles(event: any): void;
    handleValidation(isValid: boolean, message?: string): void;
    private buildElementId;
    get isInvalid(): boolean;
    get errorMessage(): string | null;
    ngAfterViewInit(): void;
    ngOnDestroy(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<FilePickerFieldsComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<FilePickerFieldsComponent, "lib-file-picker-fields", never, { "question": { "alias": "question"; "required": false; }; "inLine": { "alias": "inLine"; "required": false; }; "inCard": { "alias": "inCard"; "required": false; }; "submissionIndex": { "alias": "submissionIndex"; "required": false; }; "disableEdit": { "alias": "disableEdit"; "required": false; }; }, { "answerChange": "answerChange"; "inlineDeleteFiles": "inlineDeleteFiles"; }, never, never, false, never>;
}