/**
 * Update Command
 *
 * Refreshes synarcx skills and commands for configured tools.
 * Supports profile-aware updates, delivery changes, migration, and smart update detection.
 */
/**
 * Options for the update command.
 */
export interface UpdateCommandOptions {
    /** Force update even when tools are up to date */
    force?: boolean;
}
/**
 * Scans installed workflow artifacts (skills and managed commands) across all configured tools.
 * Returns the union of detected workflow IDs that match ALL_WORKFLOWS.
 *
 * Wrapper around the shared migration module's scanInstalledWorkflows that accepts tool IDs.
 */
export declare function scanInstalledWorkflows(projectPath: string, toolIds: string[]): string[];
export declare class UpdateCommand {
    private readonly force;
    constructor(options?: UpdateCommandOptions);
    execute(projectPath: string): Promise<void>;
    /**
     * Display message when all tools are up to date.
     */
    private displayUpToDateMessage;
    /**
     * Display the update plan showing which tools need updating.
     */
    private displayUpdatePlan;
    /**
     * Detects new tool directories that aren't currently configured and displays a hint.
     */
    private detectNewTools;
    /**
     * Displays a note about extra workflows installed that aren't in the current profile.
     */
    private displayExtraWorkflowsNote;
    /**
     * Runs on every `synarcx update` so any newly introduced workflow (e.g. syn:review)
     * is automatically added to the saved custom workflow list rather than silently dropped.
     * Also prints a dim notice listing what was added.
     */
    private runSyncNewCoreWorkflowsToCustomProfile;
    /**
     * Suggest opting back into core when a custom profile still matches the old
     * pre-sync core set. Keep custom profiles user-owned; do not mutate them.
     */
    private displayOldCoreCustomProfileNote;
    /**
     * Detect and handle legacy artifacts.
     * Unlike init, update warns but continues if legacy files found in non-interactive mode.
     * Returns array of tool IDs that were newly configured during legacy upgrade.
     */
    private handleLegacyCleanup;
    /**
     * Perform cleanup of legacy artifacts.
     */
    private performLegacyCleanup;
    /**
     * Upgrade legacy tools to new skills system.
     * Returns array of tool IDs that were newly configured.
     */
    private upgradeLegacyTools;
}
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