/**
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 */
import type { CreateEditorArgs, InitialEditorConfig, KlassConstructor, LexicalNode } from 'lexical';
export interface KnownTypesAndNodes {
    types: Set<string>;
    nodes: Set<KlassConstructor<typeof LexicalNode>>;
}
/**
 * @experimental
 * Get the sets of nodes and types registered in the
 * {@link InitialEditorConfig}. This is to be used when an extension
 * needs to register optional behavior if some node or type is present.
 *
 * @param config The InitialEditorConfig (accessible from an extension's init)
 * @returns The known types and nodes as Sets
 */
export declare function getKnownTypesAndNodes(config: InitialEditorConfig): {
    nodes: Set<KlassConstructor<typeof LexicalNode>>;
    types: Set<string>;
};
export declare function getNodeConfig(config: InitialEditorConfig): NonNullable<CreateEditorArgs['nodes']>;