import { EventEmitter, OnInit, AfterViewInit } from '@angular/core';
export declare class FileUploadComponent implements OnInit, AfterViewInit {
    /**
     * Component embedded label
     */
    label?: string;
    /**
     * Object pontOptions
     */
    pondOptions: {
        multiple: false;
    };
    /**
     * Text to attribute id
     */
    id: string;
    /**
     * Is required
     *
     * Default: false
     */
    required: boolean;
    /**
     * Object with error messages
     */
    messages: {};
    /**
     * Set message
     */
    infoMessage: string;
    /**
     * Set initial files
     */
    files: any;
    photosPerColumn: number;
    /**
     *  Emitter uploadPath function
     */
    onUploadPath: EventEmitter<string>;
    /**
     *  Emitter on handleAddFile function.
     */
    onAddFile: EventEmitter<boolean>;
    /**
     * Emmiter on handleRemoveFile.
     * @return true when a file was removed
     */
    onRemoveFile: EventEmitter<boolean>;
    /**
     * Emmiter on handleUpdateFile.
     * A file has been added or removed.
     * @return a list of file items
     */
    onUpdateFile: EventEmitter<Object[]>;
    /**
     * Indicates if file is valid.
     */
    isFileValid: boolean;
    /**
     * Parent element
     */
    private element;
    valid: boolean;
    /**
     * Instance of file pond
     */
    instance: any;
    constructor();
    /**
     * Function called on oninit event of file pond
     */
    pondHandleInit(): void;
    /**
     * Function called on onaddfile event of file pond
     * @param event is a Event value
     */
    pondHandleAddFile(event: any): void;
    /**
     * Function called on onprocessfile event of file pond
     * @param event is a Event value
     */
    pondHandleProcessFile(event: any): void;
    /**
     * Set initial configurations
     */
    ngOnInit(): void;
    /**
     * Set configurations after view is initialized
     */
    ngAfterViewInit(): void;
    /**
     * Add a preview, case it doesn't have.
     * @param event is a Event value
     */
    addPreview(event: any): void;
    /**
     * Error on adding file. Handle error messages.
     * @param event is a Event value
     */
    handleError(event: any): void;
    /**
     * A file has been removed, emit remove event
     * @param event is a Event value
     */
    pondHandleRemoveFile(event: any): void;
    /**
     * A file has been added or removed, receives a list of file items
     * @param event is a Event value
     */
    pondHandleUpdateFiles(event: any): void;
    /**
     * Function to browse files on enter key press
     * @param event is a Event value
     */
    browse(event: any): void;
}