import { Slice, Node as PMNode, Schema } from '@milkdown/kit/prose/model';
import { Plugin } from '@milkdown/kit/prose/state';
import { Root } from 'mdast';
/**
 * Walks the markdown AST after `remark-image-block` has run. Any `image-block` sitting directly
 * under a `tableCell` is converted to a single paragraph containing one standard `image` node,
 * which matches what GFM table cell parsers expect.
 */
export declare function revertImageBlocksToInlineInTableCells(tree: Root): void;
/**
 * Builds a ProseMirror inline `image` node (commonmark) for use inside a table cell paragraph.
 * Block `image-block` uses `caption`; inline `image` uses `alt` for accessibility text.
 */
export declare function createCellImageNode(schema: Schema, src: string, alt: string, title?: string): PMNode | null;
/** Milkdown `parserCtx` return type for markdown/plain clipboard pastes. */
export type ClipboardMarkdownParser = (text: string) => PMNode | string | null | undefined;
/**
 * Returns true if the pasted slice contains at least one `image-block` node anywhere in its tree.
 */
export declare function sliceContainsImageBlock(slice: Slice): boolean;
/**
 * Recursively replaces `image-block` nodes with inline `image` nodes, preserving all other structure.
 * Used so a cut `image-block` becomes pastable content for a cell (which cannot host block images).
 */
export declare function mapImageBlocksToInlineImages(schema: Schema, node: PMNode): PMNode;
/**
 * If the slice contains any `image-block`, returns a new slice with those mapped to inline `image`;
 * otherwise returns the original slice (same reference).
 */
export declare function inlineImageBlocksInSlice(schema: Schema, slice: Slice): Slice;
/**
 * ProseMirror plugin: when the user pastes into a table cell and the clipboard slice contains
 * `image-block` nodes (e.g. cut from elsewhere in the doc), rewrite them to inline `image` so the
 * insert is schema-valid.
 */
export declare function createTableCellImageTransformPlugin(): Plugin<any>;
/**
 * Builds the same {@link Slice} Crepe’s Milkdown clipboard `handlePaste` builds from `text/plain`
 * / `text/html` (see `@milkdown/plugin-clipboard`). Returns `null` when that path would bail early.
 */
export declare function buildMilkdownClipboardPasteSlice(schema: Schema, parser: ClipboardMarkdownParser, clipboardData: Pick<DataTransfer, 'getData'>): Slice | null;
/**
 * Prepends (via Milkdown `prosePluginsCtx`) so this runs before Crepe’s clipboard `handlePaste`.
 * Only intercepts pastes that would insert an `image-block` while the cursor is in a table cell.
 * This plugin only intercept pastes if `true` is returned from this function.
 */
export declare function createTableCellImagePasteProsePlugin(options: {
    getParser: () => ClipboardMarkdownParser;
    getSchema: () => Schema;
}): Plugin<any>;