import { AfterViewInit, DoCheck, ElementRef, EventEmitter, Renderer2 } from '@angular/core';
import { ControlValueAccessor, FormGroupDirective, NgControl, NgForm } from '@angular/forms';
import { HcFormControlComponent } from '../form-field/hc-form-control.component';
export declare class SelectChangeEvent {
    source: SelectComponent;
    value: any;
    constructor(source: SelectComponent, value: any);
}
/** Builds a value string to help with matching objects */
export declare function _buildValueString(id: string | null, value: any): string;
/** Select one of many options from a dropdown */
export declare class SelectComponent extends HcFormControlComponent implements ControlValueAccessor, DoCheck, AfterViewInit {
    private _renderer;
    _ngControl: NgControl;
    private _uniqueInputId;
    private _form;
    private _value;
    _open: boolean;
    _optionIdCounter: number;
    _optionMap: Map<string, any>;
    _componentId: string;
    _nativeSelect: ElementRef;
    /** Optional string of text to appear before selection is made */
    placeholder: string;
    /** Enables or disables the component */
    disabled: boolean;
    /** Sets whether this is a required form element */
    required: boolean;
    /** Element id. */
    id: string;
    /** Get or set the value of the select component */
    value: any;
    /** Set the display method of the select to be borderless instead of a standard select. Default false */
    borderless: boolean;
    readonly focus: EventEmitter<void>;
    readonly blur: EventEmitter<void>;
    /** Event emitted whenever the state changes */
    change: EventEmitter<SelectChangeEvent>;
    _hostClass: boolean;
    readonly _disabledClass: boolean;
    /** A function to compare the option values with the selected values. The first argument is a value from an option.
     * The second is a value from the selection(model). A boolean should be returned. */
    compareWith: (o1: any, o2: any) => boolean;
    private _compareWith;
    constructor(_renderer: Renderer2, _parentForm: NgForm, _parentFormGroup: FormGroupDirective, _ngControl: NgControl);
    private onChange;
    private onTouched;
    ngAfterViewInit(): void;
    registerOnChange(fn: any): void;
    registerOnTouched(fn: any): void;
    writeValue(value: any): void;
    _applyValue(): void;
    _change(event: Event, value: any): void;
    ngDoCheck(): void;
    _registerOption(): string;
    _getOptionId(value: any): string | null;
    _getOptionValue(valueString: string): any;
    _extractId(valueString: string): string;
    private _updateErrorState;
    _blurHandler(event: any): void;
    _clickHandler(event: any): void;
    _markAsTouched(): void;
}