import BaseComponent from './base-component';
export interface _ExtensionData_TextNode {
    provider: string;
    content: string;
}
export interface _ExtensionData_ChildNode {
    provider: string;
    content: [// child nodes
    Object];
    resourceRefs: [string];
}
export declare type ExtensionData = _ExtensionData_TextNode | _ExtensionData_ChildNode;
export default class Extension extends BaseComponent<ExtensionData> {
    componentType: string;
    getProvider(): string;
}