import * as _angular_core from '@angular/core';
import { ControlValueAccessor } from '@angular/forms';

interface ComboboxOption<T = unknown> {
    readonly value: T;
    readonly label: string;
    readonly disabled?: boolean;
}
/**
 * Combobox with searchable option list. Options passed via `[options]`.
 * Emits two-way `value` and supports forms via ControlValueAccessor.
 */
declare class ComboboxComponent<T = unknown> implements ControlValueAccessor {
    private readonly overlay;
    private readonly vcr;
    private readonly destroyRef;
    private readonly instanceId;
    readonly options: _angular_core.InputSignal<readonly ComboboxOption<T>[]>;
    readonly value: _angular_core.ModelSignal<T | null>;
    readonly placeholder: _angular_core.InputSignal<string>;
    readonly searchPlaceholder: _angular_core.InputSignal<string>;
    readonly emptyText: _angular_core.InputSignal<string>;
    readonly disabled: _angular_core.ModelSignal<boolean>;
    readonly class: _angular_core.InputSignal<string>;
    /** Disabled state pushed by the Forms API; kept separate so it never clobbers the `disabled` binding. */
    private readonly cvaDisabled;
    protected readonly isDisabled: _angular_core.Signal<boolean>;
    private readonly trigger;
    private readonly panel;
    private overlayRef;
    readonly isOpen: _angular_core.WritableSignal<boolean>;
    protected readonly triggerId: string;
    protected readonly panelId: string;
    protected readonly classes: _angular_core.Signal<string>;
    protected readonly triggerClasses: _angular_core.Signal<string>;
    protected readonly selectedLabel: _angular_core.Signal<string>;
    private onChangeFn;
    private onTouchedFn;
    protected isSelected(opt: ComboboxOption<T>): boolean;
    protected toggle(): void;
    protected open(): void;
    protected close(): void;
    protected pick(opt: ComboboxOption<T>): void;
    writeValue(v: T | null): void;
    registerOnChange(fn: (v: T | null) => void): void;
    registerOnTouched(fn: () => void): void;
    setDisabledState(state: boolean): void;
    static ɵfac: _angular_core.ɵɵFactoryDeclaration<ComboboxComponent<any>, never>;
    static ɵcmp: _angular_core.ɵɵComponentDeclaration<ComboboxComponent<any>, "Combobox", never, { "options": { "alias": "options"; "required": false; "isSignal": true; }; "value": { "alias": "value"; "required": false; "isSignal": true; }; "placeholder": { "alias": "placeholder"; "required": false; "isSignal": true; }; "searchPlaceholder": { "alias": "searchPlaceholder"; "required": false; "isSignal": true; }; "emptyText": { "alias": "emptyText"; "required": false; "isSignal": true; }; "disabled": { "alias": "disabled"; "required": false; "isSignal": true; }; "class": { "alias": "class"; "required": false; "isSignal": true; }; }, { "value": "valueChange"; "disabled": "disabledChange"; }, never, never, true, never>;
}

export { ComboboxComponent };
export type { ComboboxOption };