import { EventEmitter, ElementRef, Renderer2, TemplateRef, ViewContainerRef, ChangeDetectorRef, OnInit, OnDestroy, NgZone } from '@angular/core';
import { TemplatePortalDirective } from '@angular/cdk/portal';
import { ICanDisable, IControlValueAccessor } from '@covalent/core/common';
import * as i0 from "@angular/core";
export declare class TdFileInputLabelDirective extends TemplatePortalDirective {
    constructor(templateRef: TemplateRef<unknown>, viewContainerRef: ViewContainerRef);
    static ɵfac: i0.ɵɵFactoryDeclaration<TdFileInputLabelDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<TdFileInputLabelDirective, "[tdFileInputLabel]ng-template", never, {}, {}, never, never, true, never>;
}
export declare class TdFileInputBase {
    _changeDetectorRef: ChangeDetectorRef;
    constructor(_changeDetectorRef: ChangeDetectorRef);
}
export declare const _TdFileInputMixinBase: (new (...args: any[]) => IControlValueAccessor) & (new (...args: any[]) => ICanDisable) & typeof TdFileInputBase;
export declare class TdFileInputComponent extends _TdFileInputMixinBase implements OnInit, OnDestroy, IControlValueAccessor, ICanDisable {
    private _ngZone;
    private _renderer;
    private _multiple;
    /** The native `<button class="td-file-input"></button>` element */
    _inputButton: ElementRef<HTMLElement>;
    /** The native `<input type="file"> element */
    _inputElement: ElementRef<HTMLInputElement>;
    get inputElement(): HTMLInputElement;
    /**
     * color?: 'accent' | 'primary' | 'warn'
     * Sets button color. Uses same color palette accepted as [MatButton].
     */
    color?: 'accent' | 'primary' | 'warn';
    /**
     * multiple?: boolean
     * Sets if multiple files can be dropped/selected at once in [TdFileInputComponent].
     */
    set multiple(multiple: boolean | string);
    get multiple(): boolean;
    /**
     * accept?: string
     * Sets files accepted when opening the file browser dialog.
     * Same as 'accept' attribute in <input/> element.
     */
    accept?: string;
    /**
     * select?: function
     * Event emitted a file is selected
     * Emits a [File | FileList] object.
     */
    selectFile: EventEmitter<File | FileList>;
    private _destroy$;
    constructor(_ngZone: NgZone, _renderer: Renderer2, _changeDetectorRef: ChangeDetectorRef);
    ngOnInit(): void;
    ngOnDestroy(): void;
    /**
     * Method executed when a file is selected.
     */
    handleSelect(files: File | FileList): void;
    /**
     * Used to clear the selected files from the [TdFileInputComponent].
     */
    clear(): void;
    /** Method executed when the disabled value changes */
    onDisabledChange(v: boolean): void;
    /**
     * Sets disable to the component. Implemented as part of ControlValueAccessor.
     */
    setDisabledState(isDisabled: boolean): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<TdFileInputComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<TdFileInputComponent, "td-file-input", never, { "disabled": { "alias": "disabled"; "required": false; }; "value": { "alias": "value"; "required": false; }; "color": { "alias": "color"; "required": false; }; "multiple": { "alias": "multiple"; "required": false; }; "accept": { "alias": "accept"; "required": false; }; }, { "selectFile": "selectFile"; }, never, ["*"], true, never>;
}