import type { ClassicPreset } from 'rete';
import type { Socket } from './Socket.svelte';
import type { Control } from '../control';
import { Port, type PortParams } from './port.svelte';
export declare class Input<S extends Socket = Socket> extends Port<S> implements ClassicPreset.Input<S> {
    readonly isRequired: boolean;
    /**
     * Control instance
     */
    control: Control | null;
    /**
     * Whether the control is visible. Can be managed dynamically by extensions. Default is `true`
     */
    showControl: boolean;
    alwaysShowLabel: boolean;
    hideLabel: boolean;
    constructor(params: PortParams<S> & {
        alwaysShowLabel?: boolean;
        hideLabel?: boolean;
        isRequired?: boolean;
    });
    /**
     * Add control to the input port
     * @param control Control instance
     */
    addControl(control: Control): void;
    /**
     * Remove control from the input port
     */
    removeControl(): void;
}