import { HDict } from 'haystack-core';
import { ResolvableValueElement } from '../ResolvableValueElement';
import { UiElementConstructorData, UiElementData } from '../UiElement';
import { ResolvableExprElementMeta } from './ResolvableExprElementMeta';
/**
 * Resolves to the result of an expression.
 */
export declare class ResolvableExprElement<T extends UiElementData> extends ResolvableValueElement<T> {
    #private;
    constructor(data: UiElementConstructorData<T>);
    refreshes: number;
    protected getMeta: () => ResolvableExprElementMeta;
    protected doInitialize: (parameters: HDict, skipSubscribe?: boolean) => Promise<void>;
    /**
     * Checks whether the declared resolvedType of this element is a collection.
     * @returns true if the resolvedType is a collection.
     */
    isExpectedResultACollection: () => boolean;
    /**
     * Checks whether the declared resolvedType of this element is a single value.
     * @returns true if the resolvedType is a value.
     */
    isExpectedResultVal: () => boolean;
    protected doClose: () => Promise<void>;
    getParameterList: () => string[];
}