import { DoCheck, ElementRef, EventEmitter, OnInit } from '@angular/core';
import { HcFormControlComponent } from '../form-field/hc-form-control.component';
import { ControlValueAccessor, FormGroupDirective, NgControl, NgForm } from '@angular/forms';
/** A change event emitted by the Slider component. */
export declare class HcSliderChange {
    source: SliderComponent;
    value: number;
    constructor(source: SliderComponent, value: number);
}
export declare class SliderComponent extends HcFormControlComponent implements OnInit, ControlValueAccessor, DoCheck {
    _ngControl: NgControl;
    private _form;
    inputElement: ElementRef;
    value: number | null;
    _value: number | null;
    min: number;
    max: number;
    disabled: boolean;
    change: EventEmitter<HcSliderChange>;
    input: EventEmitter<HcSliderChange>;
    /**
     * Two way binding for 'value' input
     */
    valueChanges: EventEmitter<number | null>;
    private _controlValueAccessorChangeFn;
    private onTouched;
    constructor(_parentForm: NgForm, _parentFormGroup: FormGroupDirective, _ngControl: NgControl);
    _change(event: Event, value: number): void;
    _input(event: Event, value: number): void;
    _emitChangeEvent(value: number): void;
    _emitInputEvent(value: number): void;
    ngOnInit(): void;
    registerOnChange(fn: any): void;
    registerOnTouched(fn: any): void;
    setDisabledState(isDisabled: boolean): void;
    writeValue(value: any): void;
    _onBlur(): void;
    ngDoCheck(): void;
    private _updateErrorState;
}