import { Constructor } from "./../../../Constructor";
import { Node } from "./../../common";
import { ModifierableNode } from "./../../base";
export declare type AbstractableNodeExtensionType = Node & ModifierableNode;
export interface AbstractableNode {
    /**
     * Gets if the node is abstract.
     */
    isAbstract(): boolean;
    /**
     * Gets the abstract keyword or undefined if it doesn't exist.
     */
    getAbstractKeyword(): Node | undefined;
    /**
     * Gets the abstract keyword or throws if it doesn't exist.
     */
    getAbstractKeywordOrThrow(): Node;
    /**
     * Sets if the node is abstract.
     * @param isAbstract - If it should be abstract or not.
     */
    setIsAbstract(isAbstract: boolean): this;
}
export declare function AbstractableNode<T extends Constructor<AbstractableNodeExtensionType>>(Base: T): Constructor<AbstractableNode> & T;