import { OnInit, EventEmitter, ChangeDetectorRef, OnDestroy, ElementRef, NgZone } from '@angular/core';
import { Dir } from '@angular/cdk/bidi';
import { MatInput } from '@angular/material/input';
import { MatFormFieldAppearance } from '@angular/material/form-field';
import { IControlValueAccessor } from '@covalent/core/common';
import * as i0 from "@angular/core";
export declare class TdSearchInputBase {
    _changeDetectorRef: ChangeDetectorRef;
    constructor(_changeDetectorRef: ChangeDetectorRef);
}
export declare const _TdSearchInputMixinBase: (new (...args: any[]) => IControlValueAccessor) & typeof TdSearchInputBase;
export declare class TdSearchInputComponent extends _TdSearchInputMixinBase implements IControlValueAccessor, OnInit, OnDestroy {
    private _dir;
    _changeDetectorRef: ChangeDetectorRef;
    private _ngZone;
    _input?: MatInput;
    _searchElement: ElementRef<HTMLInputElement>;
    /**
     * appearance?: MatFormFieldAppearance
     * Appearance style for the underlying input component.
     */
    appearance: MatFormFieldAppearance;
    /**
     * showUnderline?: boolean
     * Sets if the input underline should be visible. Defaults to 'false'.
     */
    showUnderline: boolean;
    /**
     * debounce?: number
     * Debounce timeout between keypresses. Defaults to 400.
     */
    debounce: number;
    /**
     * placeholder?: string
     * Placeholder for the underlying input component.
     */
    placeholder: string;
    /**
     * clearIcon?: string
     * The icon used to clear the search input.
     * Defaults to 'cancel' icon.
     */
    clearIcon: string;
    value: unknown;
    /**
     * searchDebounce: function($event)
     * Event emitted after the [debounce] timeout.
     */
    searchDebounce: EventEmitter<string>;
    /**
     * search: function($event)
     * Event emitted after the key enter has been pressed.
     */
    search: EventEmitter<string>;
    /**
     * clear: function()
     * Event emitted after the clear icon has been clicked.
     */
    clear: EventEmitter<void>;
    /**
     * blur: function()
     * Event emitted after the blur event has been called in underlying input.
     */
    blurSearch: EventEmitter<void>;
    get isRTL(): boolean;
    private _destroy$;
    constructor(_dir: Dir, _changeDetectorRef: ChangeDetectorRef, _ngZone: NgZone);
    ngOnInit(): void;
    ngOnDestroy(): void;
    /**
     * Method to focus to underlying input.
     */
    focus(): void;
    handleBlur(): void;
    handleSearch(event: Event): void;
    /**
     * Method to clear the underlying input.
     */
    clearSearch(): void;
    private _searchTermChanged;
    private _stopPropagation;
    static ɵfac: i0.ɵɵFactoryDeclaration<TdSearchInputComponent, [{ optional: true; }, null, null]>;
    static ɵcmp: i0.ɵɵComponentDeclaration<TdSearchInputComponent, "td-search-input", never, { "appearance": { "alias": "appearance"; "required": false; }; "showUnderline": { "alias": "showUnderline"; "required": false; }; "debounce": { "alias": "debounce"; "required": false; }; "placeholder": { "alias": "placeholder"; "required": false; }; "clearIcon": { "alias": "clearIcon"; "required": false; }; "value": { "alias": "value"; "required": false; }; }, { "searchDebounce": "searchDebounce"; "search": "search"; "clear": "clear"; "blurSearch": "blurSearch"; }, never, never, true, never>;
}