import { ChangeDetectorRef, ElementRef, OnDestroy, OnInit, Renderer2 } from '@angular/core';
import { NgControl } from '@angular/forms';
import { TranslocoScope } from '@jsverse/transloco';
import { OptionBase } from '@sebgroup/green-angular/src/v-angular/core';
import { NggvInputComponent } from '@sebgroup/green-angular/src/v-angular/input';
import { NggvDropdownComponent } from '../../dropdown.component';
import * as i0 from "@angular/core";
export declare class NggvTypeaheadInputComponent extends NggvInputComponent implements OnInit, OnDestroy {
    element: ElementRef;
    private renderer2;
    ngControl: NgControl;
    protected translocoScope: TranslocoScope;
    protected cdr: ChangeDetectorRef;
    /** Reference to the host dropdown */
    hostComponent: NggvDropdownComponent;
    /** Formats each item that is displayed as an option. Only applies format if the option if it implement Option interface. */
    resultFormatter?: (option: OptionBase<any>) => string;
    /** Formats the selected item in the input when dropdown is opened. If no function is provided, it will display the value of the selected objects label property */
    selectedFormatter?: (selected: OptionBase<any>) => string;
    get dropdownButton(): HTMLElement;
    /** Boolean to indicate wether the dropdown is expanded or not, to apply appropriate styling */
    expanded: boolean;
    /** Used to determine the height of the inputin html */
    buttonHeight?: number;
    /** @internal Used to determine wether the input has been moved or not */
    inputMoved: boolean;
    constructor(element: ElementRef, renderer2: Renderer2, ngControl: NgControl, translocoScope: TranslocoScope, cdr: ChangeDetectorRef);
    ngOnInit(): void;
    /**
     * @internal
     * Allow space to be inputted as text
     * @param event fired containing which key was released.
     */
    onKeyUp(event: KeyboardEvent): void;
    /**
     * @internal
     * First time the dropdown is expanded, move the input sp it becomes a child of the dropdown button
     * to better reflect semantics and styling.
     */
    private moveInput;
    /**
     * @internal
     * When dropdown is expanded, focus on the input. If a value is selected, set it in the input.
     * When the dropdown is collapsed, empty the input from text.
     */
    private handleExpandedChange;
    /**
     * @internal Formats the selected option to display in the input. Interpolate the returned value
     * since we don't know the return type or label type.
     * @param value The selected value
     * @returns The formatted value
     */
    private formatSelected;
    /**
     * Sets the input programmatically instead of native HTML input event.
     * @param input
     */
    private setInput;
    static ɵfac: i0.ɵɵFactoryDeclaration<NggvTypeaheadInputComponent, [null, null, { optional: true; self: true; }, { optional: true; }, null]>;
    static ɵcmp: i0.ɵɵComponentDeclaration<NggvTypeaheadInputComponent, "nggv-typeahead-input", never, { "hostComponent": { "alias": "hostComponent"; "required": false; }; "resultFormatter": { "alias": "resultFormatter"; "required": false; }; "selectedFormatter": { "alias": "selectedFormatter"; "required": false; }; }, {}, never, never, false, never>;
}