/**
 * Format painter: copy the inline formatting (marks) at the current selection,
 * then apply it to the next selection the user makes — like the paint-roller
 * tool in word processors. The plugin only holds the copied marks and an
 * "armed" flag; the host drives arm/apply through the exported helpers.
 */
import { EditorState, Plugin, PluginKey, Transaction } from 'prosemirror-state';
import { Mark } from 'prosemirror-model';
interface FormatPainterState {
    marks: readonly Mark[] | null;
}
export declare const formatPainterKey: PluginKey<FormatPainterState>;
export declare function formatPainterPlugin(): Plugin<FormatPainterState>;
/** True while the painter is armed (marks captured, waiting to apply). */
export declare function isFormatPainterArmed(state: EditorState): boolean;
/**
 * Arms the painter, capturing the current formatting. Returns a transaction to
 * dispatch, or null when there is nothing to copy.
 */
export declare function armFormatPainter(state: EditorState): Transaction | null;
/** Disarms the painter without applying. */
export declare function disarmFormatPainter(state: EditorState): Transaction;
/**
 * Applies the copied formatting to the current (non-empty) selection and
 * disarms. Returns null when not armed or the selection is empty.
 */
export declare function applyFormatPainter(state: EditorState): Transaction | null;
export {};