import { AcApContext } from '../../app';
import { AcEdCommand } from '../../editor';
/**
 * AutoCAD-like `LAYDEL` command.
 *
 * Supported workflows:
 * - Pick an entity to delete its layer and every object on that layer.
 * - Switch to the `Name` branch to delete a layer by name.
 * - Use `Undo` to restore the most recently deleted layer in the current
 *   command session.
 */
export declare class AcApLayerDelCmd extends AcEdCommand {
    private _history;
    /**
     * Creates a write-enabled `LAYDEL` command instance.
     */
    constructor();
    /**
     * Runs the interactive layer deletion workflow until the user cancels.
     *
     * The command supports both entity-based and name-based deletion paths and
     * keeps an in-memory undo history for the current command session only.
     *
     * @param context - Active application context used to inspect and mutate the drawing.
     * @returns Resolves when the command loop ends.
     */
    execute(context: AcApContext): Promise<void>;
    /**
     * Sends a localized status message through the command-line output.
     *
     * @param message - Text to display to the user.
     * @param type - Visual severity mapped to command-line message styles.
     */
    private notify;
    /**
     * Registers a localized keyword on an entity or string prompt.
     *
     * @param prompt - Prompt instance that should expose the keyword.
     * @param keyword - I18n keyword identifier under `jig.laydel.keywords`.
     */
    private addKeyword;
    /**
     * Prompts for the main `LAYDEL` action.
     *
     * Users can either pick an entity to infer the target layer or switch to a
     * keyword branch such as `Name` or `Undo`.
     *
     * @returns Resolved action, or `undefined` when the prompt is canceled.
     */
    private promptMainAction;
    /**
     * Runs the layer-name branch until the user exits that submenu.
     *
     * @param context - Active application context used to list, delete, or restore layers.
     * @returns Resolves when the name submenu ends.
     */
    private runNameBranch;
    /**
     * Prompts for a layer name or one of the name-branch keywords.
     *
     * @returns Resolved name action, or `undefined` when canceled or left blank.
     */
    private promptLayerNameAction;
    /**
     * Prints a snapshot of all current layers to the console and notifies the UI.
     *
     * @param context - Active application context providing access to the layer table.
     */
    private listLayers;
    /**
     * Resolves the selected entity's layer name and delegates to layer deletion by name.
     *
     * @param context - Active application context containing the current database.
     * @param objectId - Identifier of the entity selected by the user.
     */
    private deleteLayerByEntity;
    /**
     * Deletes a layer and every entity currently assigned to it.
     *
     * The removed layer record and cloned entities are stored in `_history` so
     * that `Undo` can reconstruct the previous state during the same run.
     *
     * @param context - Active application context containing the drawing to mutate.
     * @param layerName - Name of the layer to remove.
     */
    private deleteLayerByName;
    /**
     * Captures clones of every entity that belongs to the specified layer.
     *
     * Each snapshot also records the owning block record so undo can restore the
     * entities to the correct container.
     *
     * @param context - Active application context containing the current database.
     * @param layerName - Layer whose entities should be collected.
     * @returns Cloned entity snapshots grouped later by owner during deletion or undo.
     */
    private collectLayerEntities;
    /**
     * Removes the captured entities from their owning block records.
     *
     * @param context - Active application context containing the current database.
     * @param deletedEntities - Entity snapshots to remove from the drawing.
     */
    private removeLayerEntities;
    /**
     * Restores the most recently deleted layer and its entities.
     *
     * @param context - Active application context containing the current database and view.
     */
    private runUndo;
}
//# sourceMappingURL=AcApLayerDelCmd.d.ts.map