import { AcApContext } from '../../app';
import { AcEdCommand } from '../../editor';
/**
 * AutoCAD-like `LAYON` command.
 *
 * The command turns on every layer in the current drawing by clearing the
 * layer-off flag. Frozen layers remain frozen, which matches the AutoCAD
 * command's responsibility of restoring only off layers.
 */
export declare class AcApLayerOnCmd extends AcEdCommand {
    /**
     * Creates a write-enabled `LAYON` command instance.
     */
    constructor();
    /**
     * Runs the turn-on-all-layers workflow.
     *
     * @param context - Active application context used to update the current drawing.
     * @returns Resolves when all layer states have been processed.
     */
    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;
}
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