import { ChangeDetectorRef, ElementRef } from '@angular/core';
import { ControlValueAccessor, NgControl } from '@angular/forms';
import { CanColor } from '@angular/material/core';
import * as i0 from "@angular/core";
declare const _DenseOutlineSelectMixinBase: import("@angular/material/core/common-behaviors/constructor").Constructor<CanColor> & import("@angular/material/core/common-behaviors/constructor").AbstractConstructor<CanColor> & {
    new (_elementRef: ElementRef): {
        _elementRef: ElementRef;
    };
};
/**
 * Select component that has fixed styling to make it compact and use the outline appearance.
 * This wraps a mat-select and provides limited options.
 *
 * @author Will Davis <will.davis@mtna.us>
 */
export declare class MtnaDenseOutlineSelectComponent extends _DenseOutlineSelectMixinBase implements CanColor, ControlValueAccessor {
    _control: NgControl;
    private _changeDetectorRef;
    /** Accessible label for the select. */
    ariaLabel: string;
    /** Options for the select component. The `value` is used for the option's value attribute. The display is used for the option's display. */
    options: {
        value: string;
        display: string;
    }[];
    /** Classes to be passed to the select panel. Supports the same syntax as `ngClass`. */
    panelClass: string | string[] | Set<string> | {
        [key: string]: unknown;
    } | null | undefined;
    /** Placeholder for the select. */
    placeholder: string;
    /** Optional icon to use within the form field's matPrefix. */
    prefixIcon: string | undefined;
    /** Value of the select control. The selected option's value. */
    get value(): string | undefined;
    set value(newValue: string | undefined);
    private _value;
    /** `View -> model callback called when value changes` */
    _onChange: (value: unknown) => void;
    /** `View -> model callback called when select has been touched` */
    _onTouched: () => void;
    constructor(_control: NgControl, _changeDetectorRef: ChangeDetectorRef, _elementRef: ElementRef);
    /**
     * Saves a callback function to be invoked when the select's value
     * changes from user input. Part of the ControlValueAccessor interface
     * required to integrate with Angular's core forms API.
     *
     * @param fn Callback to be triggered when the value changes.
     */
    registerOnChange(fn: (value: unknown) => void): void;
    /**
     * Saves a callback function to be invoked when the select is blurred
     * by the user. Part of the ControlValueAccessor interface required
     * to integrate with Angular's core forms API.
     *
     * @param fn Callback to be triggered when the component has been touched.
     */
    registerOnTouched(fn: () => void): void;
    /**
     * Sets the select's value. Part of the ControlValueAccessor interface
     * required to integrate with Angular's core forms API.
     *
     * @param value New value to be written to the model.
     */
    writeValue(value: string | undefined): void;
    _emitChangeEvent(newValue: string | undefined): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<MtnaDenseOutlineSelectComponent, [{ optional: true; self: true; }, null, null]>;
    static ɵcmp: i0.ɵɵComponentDeclaration<MtnaDenseOutlineSelectComponent, "mtna-dense-outline-select", never, { "color": "color"; "ariaLabel": "ariaLabel"; "options": "options"; "panelClass": "panelClass"; "placeholder": "placeholder"; "prefixIcon": "prefixIcon"; "value": "value"; }, {}, never, never>;
}
export {};