import { MatFormField, MatFormFieldControl } from '@angular/material/form-field';
import { Observable } from 'rxjs';
import { EmojiInput } from '@wizdm/emoji/input';
import { NgControl } from '@angular/forms';
export declare class EmojiMaterial implements MatFormFieldControl<any> {
    private formField;
    readonly ngControl: NgControl;
    private input;
    /** Stream that emits whenever the state of the control changes such that the parent `MatFormField` needs to run change detection. */
    readonly stateChanges: Observable<void>;
    /** Gets the NgControl for this control or null. */
    constructor(formField: MatFormField, ngControl: NgControl, input: EmojiInput);
    /** The value of the control. */
    get value(): any | null;
    /** The element ID for this control. */
    readonly id: string;
    /** The placeholder for this control. */
    get placeholder(): string;
    /** Whether the control is focused. */
    get focused(): boolean;
    /** Whether the control is empty. */
    get empty(): boolean;
    /** Whether the control is disabled. */
    get disabled(): boolean;
    /** Whether the control is required. */
    get required(): boolean;
    /** Whether the `MatFormField` label should try to float. */
    get shouldLabelFloat(): boolean;
    /** Whether the control is in an error state. */
    get errorState(): boolean;
    /** Sets the list of element IDs that currently describe this control. */
    setDescribedByIds(ids: string[]): void;
    /** Handles a click on the control's container. */
    onContainerClick(event: MouseEvent): void;
}