import { Mark, Plugin, PluginKey, EditorState, EditorView, Schema } from '../../prosemirror';
export declare type StateChangeHandler = (state: TextFormattingState) => any;
export declare type BlockTypeStateSubscriber = (state: TextFormattingState) => void;
export declare class TextFormattingState {
    private changeHandlers;
    private state;
    emActive: boolean;
    emDisabled: boolean;
    emHidden: boolean;
    codeActive: boolean;
    codeDisabled: boolean;
    codeHidden: boolean;
    underlineActive: boolean;
    underlineDisabled: boolean;
    underlineHidden: boolean;
    strikeActive: boolean;
    strikeDisabled: boolean;
    strikeHidden: boolean;
    strongActive: boolean;
    strongDisabled: boolean;
    strongHidden: boolean;
    superscriptActive: boolean;
    superscriptDisabled: boolean;
    superscriptHidden: boolean;
    subscriptActive: boolean;
    subscriptDisabled: boolean;
    subscriptHidden: boolean;
    marksToRemove: any;
    keymapHandler: any;
    constructor(state: EditorState<any>);
    toggleEm(view: EditorView): boolean;
    toggleCode(view: EditorView): boolean;
    toggleStrike(view: EditorView): boolean;
    toggleStrong(view: EditorView): boolean;
    toggleSuperscript(view: EditorView): boolean;
    toggleSubscript(view: EditorView): boolean;
    toggleUnderline(view: EditorView): boolean;
    subscribe(cb: StateChangeHandler): void;
    unsubscribe(cb: StateChangeHandler): void;
    update(newEditorState: EditorState<any>): void;
    /**
     * Determine if a mark (with specific attribute values) exists anywhere in the selection.
     */
    markActive(mark: Mark): boolean;
    private triggerOnChange();
    /**
     * Determine if a mark of a specific type exists anywhere in the selection.
     */
    private anyMarkActive(markType);
    private toggleMark(view, markType, attrs?);
}
export declare const stateKey: PluginKey;
export declare const plugin: Plugin;
declare const plugins: (schema: Schema<any, any>) => Plugin[];
export default plugins;