import { DecorationSet, EditorView } from '@milkdown/kit/prose/view';
import { Plugin, PluginKey, EditorState, Transaction } from '@milkdown/kit/prose/state';
export type UploadPlaceholderKind = 'image' | 'video';
export interface UploadPlaceholderAddPayload {
    id: string;
    pos: number;
    kind: UploadPlaceholderKind;
    file: File;
    width?: number;
    height?: number;
    /** When set, successful upload replaces this document range (e.g. video slash). */
    replaceFrom?: number;
    replaceTo?: number;
}
export type UploadPlaceholderMeta = {
    clear: true;
} | {
    add: UploadPlaceholderAddPayload;
} | {
    remove: {
        id: string;
    };
};
export interface UploadPlaceholderState {
    decorations: DecorationSet;
    replaceRanges: Record<string, {
        from: number;
        to: number;
    }>;
}
export declare const uploadPlaceholderDecoKey: PluginKey<UploadPlaceholderState>;
/** ProseMirror plugin (use in tests via `EditorState.create({ plugins: [...] })`). */
export declare function createUploadPlaceholderProsePlugin(): Plugin<UploadPlaceholderState>;
export declare const uploadPlaceholderDecorationPlugin: import('@milkdown/utils').$Prose;
export declare function dispatchAddUploadPlaceholder(view: EditorView, payload: UploadPlaceholderAddPayload): void;
export declare function dispatchRemoveUploadPlaceholder(view: EditorView, id: string): void;
export declare function clearAllUploadPlaceholders(view: EditorView): void;
export declare function withRemoveUploadPlaceholderById(tr: Transaction, id: string): Transaction;
/** Widget decoration range for point insert (usually from === to). */
export declare function findUploadPlaceholderWidgetRange(state: EditorState, id: string): [number, number] | null;
/** Document range to replace on success when `replaceFrom`/`replaceTo` were set on add. */
export declare function getPendingReplaceRangeForId(state: EditorState, id: string): {
    from: number;
    to: number;
} | undefined;