import { AcApContext } from '../../app';
import { AcEdCommand } from '../../editor';
/**
 * Command to create offset copies of curve entities.
 *
 * The workflow follows the common AutoCAD OFFSET flow:
 * 1) specify an offset distance,
 * 2) select one curve,
 * 3) pick the side for the new curve while previewing the result,
 * 4) repeat selection until Enter/Escape.
 */
export declare class AcApOffsetCmd extends AcEdCommand {
    /** Last successfully used offset distance, reused as the default on the next run. */
    private static _lastDistance?;
    /**
     * Creates the OFFSET command and marks it as a review-mode command.
     */
    constructor();
    /**
     * Runs the OFFSET command through a three-step prompt state machine.
     *
     * The machine loops on curve selection after each successful offset so users
     * can create multiple offsets at the same distance without re-entering it.
     * Pressing Enter at distance entry reuses the previous distance when available.
     *
     * @param context - Current application/document context.
     */
    execute(context: AcApContext): Promise<void>;
}
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