import { AfterViewInit, ElementRef, EventEmitter, OnDestroy, OnInit } from '@angular/core';
import { Subject } from 'rxjs';
import { FormGroup } from '@angular/forms';
import { FieldConfig } from '../../models/field-config.model';
import { FormField } from '../../models/form-field.model';
import { AutoCompleteOption } from '../../models/autocomplete-option.model';
import { SelectOption } from '@ieeesa-npm/models';
import { FormUtilityService } from '../../services/form-utility.service';
import * as i0 from "@angular/core";
/**
 * Provides auto suggestion for the entered input by filtering the options from the given list of options.
 * @export
 * @class AutocompleteComponent
 * @implements {OnInit}
 * @implements {FormField}
 * @implements {OnDestroy}
 */
export declare class AutocompleteComponent implements OnInit, FormField, OnDestroy, AfterViewInit {
    private formUtilityService;
    private elementRef;
    config: FieldConfig;
    group: FormGroup;
    value: string;
    autoCompleteOptionList: AutoCompleteOption[];
    set autoCompleteOptions(value: AutoCompleteOption[]);
    get autoCompleteOptions(): AutoCompleteOption[];
    isSelectedOptionsVisible: boolean;
    autoCompleteSearchValue: EventEmitter<string>;
    autoCompleteClearSearchValue: EventEmitter<string>;
    autoCompleteOptionSelected: EventEmitter<AutoCompleteOption>;
    autoComplete: ElementRef;
    destroy$: Subject<boolean>;
    autocompleteConstInfo: any;
    constructor(formUtilityService: FormUtilityService, elementRef: ElementRef<HTMLElement>);
    private formOverlayScrollContainer?;
    private readonly preferredAutocompleteOverlayHeight;
    private readonly overlayWheelListener;
    private readonly formScrollListener;
    /**
     * Implementation of ngOnInit lifecycle hook method to initialize components instance properties.
     * @memberof AutocompleteComponent
     */
    ngOnInit(): void;
    /**
     * Initialize the form control change event once the form control is ready on ngAfterViewInit by calling onValueChanges method.
     * @memberof AutocompleteComponent
     */
    ngAfterViewInit(): void;
    /**
     * Emits an autoCompleteSearchValue change event when the value is changed and value is greater than minCharToSearch or equal to zero.
     * @memberof AutocompleteComponent
     */
    onValueChanges(): void;
    /**
     * Emits the selected option when the form on change event is triggered and returns option.
     * @param {AutoCompleteOption} data // data is an selected option of autoCompleteOptions.
     * @return {AutoCompleteOption} // Returns selected option  as AutoCompleteOption
     * @memberof AutocompleteComponent
     */
    onChange(data: AutoCompleteOption): AutoCompleteOption;
    /**
     * Display the selected option name
     * @param {AutoCompleteOption} option
     * @return {string}
     * @memberof AutocompleteComponent
     */
    displayOptionName(option: AutoCompleteOption): string;
    /**
     * Takes the index and the current item as arguments and needs to return the unique identifier for this item.
     * @param {number} index
     * @param {SelectOption} option
     * @return {(number | string)}
     * @memberof AutocompleteComponent
     */
    trackByFn(index: number, option: SelectOption): number | string;
    /**
     * Implementation of ngOnDestroy lifecycle hook method to unsubscribe the open observable subscriptions.
     * @memberof AutocompleteComponent
     */
    ngOnDestroy(): void;
    onAutocompleteOpen(): void;
    onAutocompleteClose(): void;
    private setOverlayClipBounds;
    private getFormOverlayScrollContainer;
    private updateOverlayClipBounds;
    private makeRoomForAutocompleteOverlay;
    private clearOverlayClipBounds;
    static ɵfac: i0.ɵɵFactoryDeclaration<AutocompleteComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<AutocompleteComponent, "ieeesa-autocomplete", never, { "autoCompleteOptions": { "alias": "autoCompleteOptions"; "required": false; }; "isSelectedOptionsVisible": { "alias": "isSelectedOptionsVisible"; "required": false; }; }, { "autoCompleteSearchValue": "autoCompleteSearchValue"; "autoCompleteClearSearchValue": "autoCompleteClearSearchValue"; "autoCompleteOptionSelected": "autoCompleteOptionSelected"; }, never, never, true, never>;
}