import { LitElement } from 'lit';
import type { RuleGroupType, QueryField, QueryOption, QueryBuilderSize } from './defs/types';
import './queryBuilderRule';
import '../button';
import '../buttonGroup';
/**
 * Query Builder Group component.
 * Represents a group of rules with a combinator (AND/OR).
 *
 * @fires on-group-change - Emits when the group changes. `detail: { group: RuleGroupType, path: number[] }`
 * @fires on-group-remove - Emits when the group should be removed. `detail: { groupId: string, path: number[] }`
 * @fires on-group-clone - Emits when the group should be cloned. `detail: { groupId: string, path: number[] }`
 * @fires on-group-lock - Emits when the group lock state changes. `detail: { groupId: string, disabled: boolean, path: number[] }`
 */
export declare class QueryBuilderGroup extends LitElement {
    static styles: import("lit").CSSResult;
    /** The group data */
    accessor group: RuleGroupType;
    /** Available fields for rules */
    accessor fields: QueryField[];
    /** Available combinators */
    accessor combinators: QueryOption[];
    /** Path to this group in the query tree */
    accessor path: number[];
    /** Current depth level (0 = root) */
    accessor depth: number;
    /** Maximum allowed depth */
    accessor maxDepth: number;
    /** Whether this is the root group */
    accessor isRoot: boolean;
    /** Whether to show clone button */
    accessor showCloneButton: boolean;
    /** Whether to show lock button */
    accessor showLockButton: boolean;
    /** Whether drag and drop is disabled */
    accessor disableDragAndDrop: boolean;
    /** Whether the group is disabled/locked */
    accessor disabled: boolean;
    /** Number of siblings at this level (used to determine if drag handle should show at depth 1) */
    accessor siblingCount: number;
    /** Text strings for i18n */
    accessor textStrings: Record<string, string>;
    /** Size of child components */
    accessor size: QueryBuilderSize;
    /** Minimum number of dropdown options before search is shown. */
    accessor searchThreshold: number;
    /** Current drag over index for drop indicator */
    accessor _dragOverIndex: number | null;
    render(): import("lit-html").TemplateResult<1>;
    private _renderHeader;
    private _renderDragHandle;
    private _renderCombinatorToggle;
    private _handleCombinatorGroupChange;
    private _renderRules;
    private _renderEmptyState;
    private _renderRuleOrGroup;
    /** Check if this is the last rule (not group) in the rules array */
    private _isLastRule;
    private _handleCombinatorChange;
    private _handleAddRule;
    private _handleAddRuleAfter;
    private _addNewRule;
    private _handleAddGroup;
    private _handleRuleChange;
    private _handleRuleRemove;
    private _handleRuleClone;
    private _handleRuleLock;
    private _handleNestedGroupChange;
    private _handleNestedGroupRemove;
    private _handleNestedGroupClone;
    private _handleNestedGroupLock;
    private _handleRemoveGroup;
    private _handleCloneGroup;
    private _handleLockToggle;
    private _emitGroupChange;
    private _deepCloneGroup;
    private _handleDragStart;
    private _handleDragEnd;
    private _handleItemDragOver;
    private _handleItemDragLeave;
    private _handleItemDrop;
    private _handleGroupDragOver;
    private _handleGroupDrop;
    private _handleNestedItemMove;
}
declare global {
    interface HTMLElementTagNameMap {
        'kyn-qb-group': QueryBuilderGroup;
    }
}
//# sourceMappingURL=queryBuilderGroup.d.ts.map