/**
 * 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 { JSX } from 'react';
import { DecoratorNode, type ElementFormatType, type LexicalNode, type LexicalParseJSON, type NodeKey, type SerializedLexicalNode, type SerializedPartial, type Spread } from 'lexical';
/**
 * The serialized form of a {@link DecoratorBlockNode}: the base serialized node
 * data plus the block's element `format` (alignment).
 */
export type SerializedDecoratorBlockNode = Spread<{
    format: ElementFormatType;
}, SerializedLexicalNode>;
export interface DecoratorBlockNode {
    exportJSON(compact?: false): SerializedDecoratorBlockNode;
    exportJSON(compact: boolean): SerializedPartial<SerializedDecoratorBlockNode>;
    updateFromJSON(serializedNode: LexicalParseJSON<SerializedDecoratorBlockNode>): this;
}
/**
 * A base class for block-level {@link DecoratorNode}s (decorator nodes rendered
 * on their own line rather than inline). It stores an {@link ElementFormatType}
 * alignment, is not indentable, and renders into a `<div>`. Extend it for custom
 * block embeds such as images, videos, or tweets, typically pairing it with
 * {@link BlockWithAlignableContents} to handle selection and alignment.
 */
export declare class DecoratorBlockNode extends DecoratorNode<JSX.Element> {
    __format: ElementFormatType;
    constructor(format?: ElementFormatType, key?: NodeKey);
    $config(): import("lexical").BaseStaticNodeConfig & import("lexical").StaticNodeConfigAccessor<{
        readonly extends: typeof DecoratorNode;
        readonly generated: import("lexical").GeneratedJSONFactory;
        readonly json: import("lexical").NodeSerializationSchema<DecoratorBlockNode, {
            readonly format?: "" | "left" | "start" | "center" | "right" | "end" | "justify" | undefined;
        }>;
    }>;
    canIndent(): false;
    createDOM(): HTMLElement;
    updateDOM(): false;
    setFormat(format: ElementFormatType): this;
    getFormat(): ElementFormatType;
    isInline(): false;
}
/**
 * @returns `true` if `node` is a {@link DecoratorBlockNode}, narrowing its type.
 */
export declare function $isDecoratorBlockNode(node: LexicalNode | null | undefined): node is DecoratorBlockNode;