import { TemplateRef, OnInit, DestroyRef, QueryList } from '@angular/core';
import type { TreeDataConfig, FilterExpression, GridStatusBarAggregates, GridInfiniteScrollEvent } from './models';
import type { GridColumnDef, GridSortState, GridFilterState, GridGroupState, GridPageChangeEvent, GridSortChangeEvent, GridFilterChangeEvent, GridGroupChangeEvent, GridDataStateChangeEvent, GridRowClickEvent, GridRowUpdateEvent, GridGroupResult, GridHeaderTemplateContext, GridCellTemplateContext, GridRowTemplateContext, GridDetailTemplateContext, GridFooterTemplateContext } from './models';
import * as i0 from "@angular/core";
export type { GridColumnDef, GridSortState, GridFilterState, GridGroupState, GridPageChangeEvent, GridSortChangeEvent, GridFilterChangeEvent, GridGroupChangeEvent, GridDataStateChangeEvent, GridRowClickEvent, GridRowUpdateEvent, GridGroupResult, GridHeaderTemplateContext, GridCellTemplateContext, GridRowTemplateContext, GridDetailTemplateContext, GridFooterTemplateContext, } from './models';
export declare class NgxGridCellTemplateDirective {
    columnField: string;
    templateRef: TemplateRef<any>;
    static ɵfac: i0.ɵɵFactoryDeclaration<NgxGridCellTemplateDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<NgxGridCellTemplateDirective, "[ngxGridCellTemplate]", never, { "columnField": { "alias": "ngxGridCellTemplate"; "required": false; }; }, {}, never, never, true, never>;
}
export declare class NgxGridEditCellTemplateDirective {
    columnField: string;
    templateRef: TemplateRef<any>;
    static ɵfac: i0.ɵɵFactoryDeclaration<NgxGridEditCellTemplateDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<NgxGridEditCellTemplateDirective, "[ngxGridEditCellTemplate]", never, { "columnField": { "alias": "ngxGridEditCellTemplate"; "required": false; }; }, {}, never, never, true, never>;
}
export declare class NgxGridHeaderTemplateDirective {
    columnField: string;
    templateRef: TemplateRef<any>;
    static ɵfac: i0.ɵɵFactoryDeclaration<NgxGridHeaderTemplateDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<NgxGridHeaderTemplateDirective, "[ngxGridHeaderTemplate]", never, { "columnField": { "alias": "ngxGridHeaderTemplate"; "required": false; }; }, {}, never, never, true, never>;
}
export declare class NgxGridFooterTemplateDirective {
    columnField: string;
    templateRef: TemplateRef<any>;
    static ɵfac: i0.ɵɵFactoryDeclaration<NgxGridFooterTemplateDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<NgxGridFooterTemplateDirective, "[ngxGridFooterTemplate]", never, { "columnField": { "alias": "ngxGridFooterTemplate"; "required": false; }; }, {}, never, never, true, never>;
}
export declare class DataGridComponent<T extends object = Record<string, unknown>> implements OnInit {
    cellTemplates: QueryList<NgxGridCellTemplateDirective>;
    editCellTemplates: QueryList<NgxGridEditCellTemplateDirective>;
    headerTemplates: QueryList<NgxGridHeaderTemplateDirective>;
    footerTemplates: QueryList<NgxGridFooterTemplateDirective>;
    /**
     * The tabular dataset to render in the grid.
     */
    data: import("@angular/core").InputSignal<T[]>;
    /**
     * The column definition metadata specifying header labels, fields, sorting/filtering settings, and templates.
     */
    columns: import("@angular/core").InputSignal<GridColumnDef<T>[]>;
    stateKey: import("@angular/core").InputSignal<string>;
    reorderable: import("@angular/core").InputSignal<boolean>;
    multiSort: import("@angular/core").InputSignal<boolean>;
    columnReorder: import("@angular/core").OutputEmitterRef<{
        columns: GridColumnDef<T>[];
    }>;
    rowReorderable: import("@angular/core").InputSignal<boolean>;
    showGlobalSearch: import("@angular/core").InputSignal<boolean>;
    globalSearchPlaceholder: import("@angular/core").InputSignal<string>;
    rowReorder: import("@angular/core").OutputEmitterRef<{
        previousIndex: number;
        currentIndex: number;
        data: T[];
    }>;
    showStatusBar: import("@angular/core").InputSignal<boolean>;
    showFilterBuilder: import("@angular/core").InputSignal<boolean>;
    treeData: import("@angular/core").InputSignal<TreeDataConfig | null>;
    pinnedTopRows: import("@angular/core").InputSignal<T[]>;
    pinnedBottomRows: import("@angular/core").InputSignal<T[]>;
    infiniteScroll: import("@angular/core").InputSignal<boolean>;
    filterExpression: import("@angular/core").InputSignal<FilterExpression | null>;
    filterExpressionChange: import("@angular/core").OutputEmitterRef<FilterExpression | null>;
    infiniteScrollLoad: import("@angular/core").OutputEmitterRef<GridInfiniteScrollEvent>;
    private xlsxExportService;
    isFilterBuilderOpen: import("@angular/core").WritableSignal<boolean>;
    internalFilterExpression: import("@angular/core").WritableSignal<FilterExpression | null>;
    /** Live selection aggregates for status bar */
    selectionAggregates: import("@angular/core").Signal<GridStatusBarAggregates>;
    onFilterExpressionChange(expr: FilterExpression | null): void;
    exportToXlsx(filename?: string): void;
    /**
     * Number of rows to render per page in paginated mode.
     * @default 10
     */
    pageSize: import("@angular/core").InputSignal<number>;
    /**
     * The current active 1-indexed page number.
     * @default 1
     */
    page: import("@angular/core").InputSignal<number>;
    total: import("@angular/core").InputSignal<number>;
    /**
     * Whether row selection is enabled.
     * @default false
     */
    selectable: import("@angular/core").InputSignal<boolean>;
    striped: import("@angular/core").InputSignal<boolean>;
    loading: import("@angular/core").InputSignal<boolean>;
    /**
     * Whether inline cell/row editing is enabled.
     * @default false
     */
    editable: import("@angular/core").InputSignal<boolean>;
    sortMode: import("@angular/core").InputSignal<"client" | "server">;
    filterMode: import("@angular/core").InputSignal<"client" | "server">;
    groupMode: import("@angular/core").InputSignal<"client" | "server">;
    pagingMode: import("@angular/core").InputSignal<"client" | "server">;
    groupBy: import("@angular/core").InputSignal<GridGroupState | null>;
    groupedData: import("@angular/core").InputSignal<GridGroupResult<T>[]>;
    headerTemplate: import("@angular/core").InputSignal<TemplateRef<GridHeaderTemplateContext<T>> | null>;
    cellTemplate: import("@angular/core").InputSignal<TemplateRef<GridCellTemplateContext<T>> | null>;
    editCellTemplate: import("@angular/core").InputSignal<TemplateRef<GridCellTemplateContext<T>> | null>;
    rowTemplate: import("@angular/core").InputSignal<TemplateRef<GridRowTemplateContext<T>> | null>;
    detailRowTemplate: import("@angular/core").InputSignal<TemplateRef<GridDetailTemplateContext<T>> | null>;
    footerTemplate: import("@angular/core").InputSignal<TemplateRef<GridFooterTemplateContext<T>> | null>;
    rowClick: import("@angular/core").OutputEmitterRef<GridRowClickEvent<T>>;
    selectionChange: import("@angular/core").OutputEmitterRef<T[]>;
    sortChange: import("@angular/core").OutputEmitterRef<GridSortChangeEvent>;
    filterChange: import("@angular/core").OutputEmitterRef<GridFilterChangeEvent>;
    groupChange: import("@angular/core").OutputEmitterRef<GridGroupChangeEvent>;
    pageChange: import("@angular/core").OutputEmitterRef<GridPageChangeEvent>;
    dataStateChange: import("@angular/core").OutputEmitterRef<GridDataStateChangeEvent>;
    rowUpdate: import("@angular/core").OutputEmitterRef<GridRowUpdateEvent<T>>;
    showColumnChooser: import("@angular/core").InputSignal<boolean>;
    cellSelection: import("@angular/core").InputSignal<boolean>;
    cellSelectionChange: import("@angular/core").OutputEmitterRef<{
        start: {
            row: T;
            colField: string;
        };
        end: {
            row: T;
            colField: string;
        };
    } | null>;
    enableContextMenu: import("@angular/core").InputSignal<boolean>;
    keyboardNavigation: import("@angular/core").InputSignal<boolean>;
    groupAggregations: import("@angular/core").InputSignal<boolean>;
    showGroupingPanel: import("@angular/core").InputSignal<boolean>;
    rowClass: import("@angular/core").InputSignal<((row: T) => string) | null>;
    compact: import("@angular/core").InputSignal<boolean>;
    /**
     * Whether to render only the visible rows using high-performance row virtualization.
     * Useful when rendering large datasets (1,000+ items).
     * @default false
     */
    virtualScroll: import("@angular/core").InputSignal<boolean>;
    /**
     * The height of each row in pixels. Required for virtual scrolling viewport calculations.
     * @default 49
     */
    rowHeight: import("@angular/core").InputSignal<number>;
    sortState: import("@angular/core").WritableSignal<GridSortState | null>;
    currentPage: import("@angular/core").WritableSignal<number>;
    selectedRows: import("@angular/core").WritableSignal<Set<string>>;
    expandedRows: import("@angular/core").WritableSignal<Set<string>>;
    collapsedGroups: import("@angular/core").WritableSignal<Set<string>>;
    editingRowKey: import("@angular/core").WritableSignal<string | null>;
    editingDraft: import("@angular/core").WritableSignal<Record<string, unknown>>;
    internalPageSize: import("@angular/core").WritableSignal<number>;
    internalGroupBy: import("@angular/core").WritableSignal<GridGroupState | null>;
    isGroupingPanelDragOver: import("@angular/core").WritableSignal<boolean>;
    scrollTop: import("@angular/core").WritableSignal<number>;
    viewportHeight: import("@angular/core").WritableSignal<number>;
    startIndex: import("@angular/core").Signal<number>;
    endIndex: import("@angular/core").Signal<number>;
    visibleRows: import("@angular/core").Signal<T[]>;
    i18n: import("ngx-core-components/i18n").NgxCoreI18n;
    private elementRef;
    destroyRef: DestroyRef;
    private gridExportService;
    columnWidths: import("@angular/core").WritableSignal<Record<string, number>>;
    filterStates: import("@angular/core").WritableSignal<Map<string, GridFilterState>>;
    sortStates: import("@angular/core").WritableSignal<GridSortState[]>;
    columnOrder: import("@angular/core").WritableSignal<string[]>;
    hiddenColumns: import("@angular/core").WritableSignal<Set<string>>;
    activeColumnChooserPopover: import("@angular/core").WritableSignal<{
        top: number;
        left: number;
    } | null>;
    selectedCellStart: import("@angular/core").WritableSignal<{
        row: T;
        colField: string;
    } | null>;
    selectedCellEnd: import("@angular/core").WritableSignal<{
        row: T;
        colField: string;
    } | null>;
    isCellDragging: import("@angular/core").WritableSignal<boolean>;
    activeContextMenu: import("@angular/core").WritableSignal<{
        x: number;
        y: number;
        row: T | null;
        colField: string | null;
    } | null>;
    columnPinnedOverrides: import("@angular/core").WritableSignal<Record<string, "left" | "right" | null>>;
    focusedCell: import("@angular/core").WritableSignal<{
        row: T;
        colField: string;
    } | null>;
    focusedCellEditActive: import("@angular/core").WritableSignal<boolean>;
    draggingField: import("@angular/core").WritableSignal<string | null>;
    dragOverField: import("@angular/core").WritableSignal<string | null>;
    draggingRowIndex: import("@angular/core").WritableSignal<number | null>;
    dragOverRowIndex: import("@angular/core").WritableSignal<number | null>;
    private resizeStartWidth;
    private resizeStartX;
    private resizingField;
    private isInitialPageSync;
    activeFilterPopover: import("@angular/core").WritableSignal<{
        field: string;
        top: number;
        left: number;
    } | null>;
    tempFilterValue: import("@angular/core").WritableSignal<string>;
    tempFilterOperator: import("@angular/core").WritableSignal<"contains" | "startsWith" | "endsWith" | "eq">;
    tempSelectedValues: import("@angular/core").WritableSignal<Set<string>>;
    filterSearchQuery: import("@angular/core").WritableSignal<string>;
    searchText: import("@angular/core").WritableSignal<string>;
    constructor();
    ngOnInit(): void;
    private loadState;
    orderedColumns: import("@angular/core").Signal<GridColumnDef<T>[]>;
    hasPinnedColumns: import("@angular/core").Signal<boolean>;
    lastPinnedColumnField: import("@angular/core").Signal<string | null>;
    isSelectableLastPinned: import("@angular/core").Signal<boolean>;
    isDetailToggleLastPinned: import("@angular/core").Signal<boolean>;
    isRowReorderableLastPinned: import("@angular/core").Signal<boolean>;
    firstPinnedRightColumnField: import("@angular/core").Signal<string | null>;
    columnRightOffsets: import("@angular/core").Signal<Record<string, number>>;
    columnOffsets: import("@angular/core").Signal<Record<string, number>>;
    hasColumnCategories: import("@angular/core").Signal<boolean>;
    headerRows: import("@angular/core").Signal<{
        row1: any[];
        row2: any[];
    }>;
    hasFilterableColumns: import("@angular/core").Signal<boolean>;
    isAnyServerMode: import("@angular/core").Signal<boolean>;
    showDetailToggle: import("@angular/core").Signal<boolean>;
    activeFilters: import("@angular/core").Signal<GridFilterState[]>;
    private clientFilteredData;
    private clientSortedData;
    private baseFlatData;
    totalItems: import("@angular/core").Signal<number>;
    totalPages: import("@angular/core").Signal<number>;
    flatRenderedRows: import("@angular/core").Signal<T[]>;
    groupedRows: import("@angular/core").Signal<GridGroupResult<T>[]>;
    allSelected: import("@angular/core").Signal<boolean>;
    someSelected: import("@angular/core").Signal<boolean>;
    pagerRangeStart: import("@angular/core").Signal<number>;
    pagerRangeEnd: import("@angular/core").Signal<number>;
    pageNumbers: import("@angular/core").Signal<number[]>;
    renderColumnCount: import("@angular/core").Signal<number>;
    showPager: import("@angular/core").Signal<boolean>;
    renderedRowsList: import("@angular/core").Signal<T[]>;
    isCellSelected(row: T, colField: string): boolean;
    onCellContextMenu(event: MouseEvent, row: T, colField: string): void;
    isColumnPinned(field: string | null): boolean;
    contextMenuTogglePin(field: string | null): void;
    contextMenuHideColumn(field: string | null): void;
    contextMenuClearFilters(): void;
    contextMenuCopy(): void;
    onCellMouseDown(event: MouseEvent, row: T, colField: string): void;
    onCellMouseEnter(row: T, colField: string): void;
    openColumnChooser(event: MouseEvent): void;
    toggleColumnVisibility(field: string): void;
    getSelectedCellsText(): string | null;
    getFilter(field: string): string;
    exportToJson(): void;
    exportToCsv(): void;
    exportToExcel(): void;
    exportToPdf(): void;
    setFilter(field: string, value: string): void;
    getColumnWidth(col: GridColumnDef<T>): number | undefined;
    onResizeStart(event: MouseEvent, col: GridColumnDef<T>): void;
    onResizeDoubleClick(event: MouseEvent, col: GridColumnDef<T>): void;
    autoSizeColumn(col: GridColumnDef<T>): void;
    getColumnPinnedState(field: string): 'left' | 'right' | null;
    pinColumnPopover(field: string, pin: 'left' | 'right' | null): void;
    getRowCustomClass(row: T): string;
    openFilterPopover(event: MouseEvent, field: string): void;
    getDistinctValues(field: string): string[];
    getFilteredDistinctValues(field: string): string[];
    toggleChecklistItem(val: string): void;
    toggleSelectAllChecklist(): void;
    applyPopoverFilter(): void;
    clearPopoverFilter(): void;
    clearAllFilters(): void;
    hasAggregation: import("@angular/core").Signal<boolean>;
    getAggregationValue(col: GridColumnDef<T>): string;
    private formatAggValue;
    onSort(column: GridColumnDef<T>, event?: MouseEvent): void;
    onGroupingPanelDragOver(event: DragEvent): void;
    onGroupingPanelDragLeave(event: DragEvent): void;
    onGroupingPanelDrop(event: DragEvent): void;
    clearGrouping(): void;
    getColumnTitle(field: string): string;
    onDragStart(event: DragEvent, col: GridColumnDef<T>): void;
    onDragOver(event: DragEvent, col: GridColumnDef<T>): void;
    onDrop(event: DragEvent, targetCol: GridColumnDef<T>): void;
    onDragEnd(): void;
    onRowDragStart(event: DragEvent, index: number): void;
    onRowDragOver(event: DragEvent, index: number): void;
    onRowDrop(event: DragEvent, targetIndex: number): void;
    onViewportScroll(event: Event): void;
    onRowDragEnd(): void;
    getRowTranslation(index: number): string;
    getSortIndex(col: GridColumnDef<T>): number;
    getSortDirection(col: GridColumnDef<T>): 'asc' | 'desc' | null;
    setGroup(state: GridGroupState | null): void;
    toggleGroup(key: string): void;
    isGroupCollapsed(key: string): boolean;
    goPage(page: number): void;
    changePageSize(size: number): void;
    getColumnDef(field: string | null): GridColumnDef<T> | null;
    contextMenuGroupBy(field: string | null): void;
    contextMenuClearGrouping(): void;
    collapseAllGroups(): void;
    expandAllGroups(): void;
    contextMenuToggleDetail(row: T): void;
    expandAllDetails(): void;
    collapseAllDetails(): void;
    onRowClick(row: T, index: number): void;
    isRowSelected(row: T): boolean;
    toggleRow(row: T): void;
    toggleAll(): void;
    toggleDetail(row: T): void;
    isExpanded(row: T): boolean;
    beginEdit(row: T, _index: number): void;
    isEditing(row: T): boolean;
    updateDraft(field: string, value: unknown): void;
    getDraftValue(row: T, field: string): unknown;
    saveEdit(row: T, index: number): void;
    cancelEdit(): void;
    getCellValue(row: T, field: string): unknown;
    resolveHeaderTemplate(column: GridColumnDef<T>): TemplateRef<GridHeaderTemplateContext<T>> | null;
    resolveCellTemplate(column: GridColumnDef<T>): TemplateRef<GridCellTemplateContext<T>> | null;
    resolveEditCellTemplate(column: GridColumnDef<T>): TemplateRef<GridCellTemplateContext<T>> | null;
    resolveFooterTemplate(column: GridColumnDef<T>): TemplateRef<GridFooterTemplateContext<T>> | null;
    getUpdateDraftCallback(field: string): (val: unknown) => void;
    toStringSafe(value: unknown): string;
    highlightSearchText(value: unknown): string;
    private escapeHtml;
    private escapeRegExp;
    getKey(row: T, index: number): string;
    hasGrouping(): boolean;
    private paginateRows;
    private compareValues;
    private visibleSelectionRows;
    private resolveSelectedRows;
    private keyOf;
    private emitDataState;
    onCellClick(row: T, colField: string): void;
    handleKeyDown(event: KeyboardEvent): void;
    getCellRowSpan(row: T, colField: string, rowIndex: number, groupItems?: T[]): number;
    isGroupAllSelected(group: GridGroupResult<T>): boolean;
    toggleGroupSelection(group: GridGroupResult<T>, event: Event): void;
    getGroupAggregationValue(group: GridGroupResult<T>, col: GridColumnDef<T>): string;
    static ɵfac: i0.ɵɵFactoryDeclaration<DataGridComponent<any>, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<DataGridComponent<any>, "ngx-data-grid", never, { "data": { "alias": "data"; "required": false; "isSignal": true; }; "columns": { "alias": "columns"; "required": false; "isSignal": true; }; "stateKey": { "alias": "stateKey"; "required": false; "isSignal": true; }; "reorderable": { "alias": "reorderable"; "required": false; "isSignal": true; }; "multiSort": { "alias": "multiSort"; "required": false; "isSignal": true; }; "rowReorderable": { "alias": "rowReorderable"; "required": false; "isSignal": true; }; "showGlobalSearch": { "alias": "showGlobalSearch"; "required": false; "isSignal": true; }; "globalSearchPlaceholder": { "alias": "globalSearchPlaceholder"; "required": false; "isSignal": true; }; "showStatusBar": { "alias": "showStatusBar"; "required": false; "isSignal": true; }; "showFilterBuilder": { "alias": "showFilterBuilder"; "required": false; "isSignal": true; }; "treeData": { "alias": "treeData"; "required": false; "isSignal": true; }; "pinnedTopRows": { "alias": "pinnedTopRows"; "required": false; "isSignal": true; }; "pinnedBottomRows": { "alias": "pinnedBottomRows"; "required": false; "isSignal": true; }; "infiniteScroll": { "alias": "infiniteScroll"; "required": false; "isSignal": true; }; "filterExpression": { "alias": "filterExpression"; "required": false; "isSignal": true; }; "pageSize": { "alias": "pageSize"; "required": false; "isSignal": true; }; "page": { "alias": "page"; "required": false; "isSignal": true; }; "total": { "alias": "total"; "required": false; "isSignal": true; }; "selectable": { "alias": "selectable"; "required": false; "isSignal": true; }; "striped": { "alias": "striped"; "required": false; "isSignal": true; }; "loading": { "alias": "loading"; "required": false; "isSignal": true; }; "editable": { "alias": "editable"; "required": false; "isSignal": true; }; "sortMode": { "alias": "sortMode"; "required": false; "isSignal": true; }; "filterMode": { "alias": "filterMode"; "required": false; "isSignal": true; }; "groupMode": { "alias": "groupMode"; "required": false; "isSignal": true; }; "pagingMode": { "alias": "pagingMode"; "required": false; "isSignal": true; }; "groupBy": { "alias": "groupBy"; "required": false; "isSignal": true; }; "groupedData": { "alias": "groupedData"; "required": false; "isSignal": true; }; "headerTemplate": { "alias": "headerTemplate"; "required": false; "isSignal": true; }; "cellTemplate": { "alias": "cellTemplate"; "required": false; "isSignal": true; }; "editCellTemplate": { "alias": "editCellTemplate"; "required": false; "isSignal": true; }; "rowTemplate": { "alias": "rowTemplate"; "required": false; "isSignal": true; }; "detailRowTemplate": { "alias": "detailRowTemplate"; "required": false; "isSignal": true; }; "footerTemplate": { "alias": "footerTemplate"; "required": false; "isSignal": true; }; "showColumnChooser": { "alias": "showColumnChooser"; "required": false; "isSignal": true; }; "cellSelection": { "alias": "cellSelection"; "required": false; "isSignal": true; }; "enableContextMenu": { "alias": "enableContextMenu"; "required": false; "isSignal": true; }; "keyboardNavigation": { "alias": "keyboardNavigation"; "required": false; "isSignal": true; }; "groupAggregations": { "alias": "groupAggregations"; "required": false; "isSignal": true; }; "showGroupingPanel": { "alias": "showGroupingPanel"; "required": false; "isSignal": true; }; "rowClass": { "alias": "rowClass"; "required": false; "isSignal": true; }; "compact": { "alias": "compact"; "required": false; "isSignal": true; }; "virtualScroll": { "alias": "virtualScroll"; "required": false; "isSignal": true; }; "rowHeight": { "alias": "rowHeight"; "required": false; "isSignal": true; }; }, { "columnReorder": "columnReorder"; "rowReorder": "rowReorder"; "filterExpressionChange": "filterExpressionChange"; "infiniteScrollLoad": "infiniteScrollLoad"; "rowClick": "rowClick"; "selectionChange": "selectionChange"; "sortChange": "sortChange"; "filterChange": "filterChange"; "groupChange": "groupChange"; "pageChange": "pageChange"; "dataStateChange": "dataStateChange"; "rowUpdate": "rowUpdate"; "cellSelectionChange": "cellSelectionChange"; }, ["cellTemplates", "editCellTemplates", "headerTemplates", "footerTemplates"], never, true, never>;
}