import type { Command } from '../features/command-palette/types.js';
type CommandsProviderFunction = () => Command[] | Command | undefined;
export type CommandsProvider = {
    /**
     * Register a command provider function.
     *
     * The function will be called when commands are requested.
     * It can return a single command, an array of commands, or undefined.
     *
     * @param fn - Function that returns commands
     *
     * @example
     * ```ts
     * commands.add(() => ({
     *   id: 'my-command',
     *   label: 'My Command',
     *   callback: () => console.log('executed'),
     * }))
     * ```
     */
    add: (fn: CommandsProviderFunction) => void;
    /**
     * Unregister a command provider function.
     *
     * Removes a previously registered function so it no longer provides commands.
     *
     * @param fn - The function to remove (must be the same reference used in add)
     */
    remove: (fn: CommandsProviderFunction) => void;
    /**
     * Get all commands from all registered providers.
     *
     * Calls all registered provider functions, flattens the results,
     * and filters out undefined values.
     *
     * @returns Array of all available commands
     */
    getCommands: () => Command[];
};
export default function (): CommandsProvider;
export {};