import { NodeBlock, Slots, Value } from "tripetto-runner-foundation";
import { IChoice, IMultipleChoice } from "./interface";
import "./conditions/choice";
export declare abstract class MultipleChoice extends NodeBlock<IMultipleChoice> {
    /** Contains the randomized choices order. */
    private randomized?;
    /** Contains the counter slot. */
    readonly counterSlot: Value<number, Slots.Number> | undefined;
    /** Contains the concatenation slot. */
    readonly concatenationSlot: Value<string, Slots.Text> | undefined;
    /** Contains the score slot. */
    readonly scoreSlot: Value<number, Slots.Numeric> | undefined;
    /** Contains the single choice slot. */
    readonly singleChoiceSlot: Value<string, Slots.String> | undefined;
    get required(): boolean;
    private transform;
    private score;
    /** Retrieves a choice slot. */
    choiceSlot(choice: IChoice): Value<boolean, Slots.Boolean> | undefined;
    /** Retrieves the choices. */
    choices<T>(props?: { readonly tabIndex: number }): (IChoice & {
        readonly slot?: Value<boolean, Slots.Boolean>;
        readonly tabIndex?: number;
        readonly disabled: boolean;
    })[];
    validate(): boolean;
}