import { AcApContext } from '../../app';
import { AcEdCommand } from '../../editor';
/**
 * AutoCAD-like `LAYTHW` command.
 *
 * The command thaws every frozen layer in the current drawing by clearing the
 * global frozen flag. Per-viewport layer freeze state is not represented in
 * the current viewer, matching the command to database-wide layer thawing only.
 */
export declare class AcApLayerThawCmd extends AcEdCommand {
    /**
     * Creates a write-enabled `LAYTHW` command instance.
     */
    constructor();
    /**
     * Runs the thaw-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>;
    /**
     * Clears or sets the frozen bit while preserving other layer flags.
     *
     * @param layer - Target layer table record.
     * @param frozen - Whether the layer should be marked frozen.
     */
    private setLayerFrozen;
    /**
     * 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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