/**
 * Command loader - loads command definitions from markdown files
 */
import type { CommandDefinition } from '../types/command.types.js';
export declare class CommandLoader {
    private commandsDir?;
    private cache;
    private pluginByCommand;
    private pluginDirs;
    constructor(commandsDir?: string | undefined);
    /**
     * Register an additional command directory contributed by a plugin.
     */
    private pendingPluginDirNames;
    registerPluginDir(dir: string, pluginName?: string): void;
    /**
     * Return the plugin name that owns the given command, if known.
     */
    getPluginFor(commandName: string): string | undefined;
    /**
     * Load a specific command by name
     */
    loadCommand(commandName: string, loadContent?: boolean): Promise<CommandDefinition>;
    /**
     * Resolve the file path for a command, checking plugin dirs if not in the primary dir.
     * Records the owning plugin name in pluginByCommand when the command is found in a plugin dir.
     */
    private resolveCommandFilePath;
    /**
     * Load all commands
     */
    loadAllCommands(): Promise<Map<string, CommandDefinition>>;
    /**
     * List available command names from primary and plugin directories.
     */
    listCommands(): Promise<string[]>;
    /**
     * Check if a command exists across primary and plugin directories.
     */
    commandExists(commandName: string): Promise<boolean>;
    /**
     * Clear cache
     */
    clearCache(): void;
    /**
     * Get cache size
     */
    getCacheSize(): number;
}
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