import lexical from 'lexical';
/**
 * A command to insert a collapsible section. The (optional) argument is the summary text content.
 */
export declare const INSERT_COLLAPSIBLE_COMMAND: lexical.LexicalCommand<string | void>;
/**
 * A command to toggle a collapsible section open or closed. The argument is thle key of the collapsible node.
 */
export declare const TOGGLE_COLLAPSIBLE_COMMAND: lexical.LexicalCommand<string>;
/**
 * A Lexical plugin to register commands and event handlers related to the associated Collapsible nodes
 */
export declare function CollapsiblePlugin(): null;