import { BlockMutator } from './block-mutator';
import { CustomBlock } from './custom-block';
import { Node } from './node';
export declare type Constructor = new (type: string, blockMutator?: BlockMutator, ...args: any[]) => CustomBlock;
export declare abstract class Block implements Node {
    kind: string;
    private _type;
    private _class;
    private _disabled;
    protected constructor(type: string);
    get type(): string;
    set type(value: string);
    get disabled(): boolean;
    set disabled(value: boolean);
    get class(): Constructor;
    set class(value: Constructor);
    abstract toXML(): any;
}