import { CdkVirtualScrollViewport } from '@angular/cdk/scrolling';
import { EventEmitter, Signal } from '@angular/core';
import { AbstractControl } from '@angular/forms';
import { ColumnDirective } from './column.directive';
import { ColumnDefinition, DataWithKey, FormGroupConfig, GroupedDataRow } from './data-table.types';
import { TableStyles } from './style.types';
import * as i0 from "@angular/core";
export declare class DataTableComponent<T> {
    data: import("@angular/core").InputSignal<T[]>;
    columns: import("@angular/core").InputSignal<ColumnDefinition<T>[]>;
    dataKey: import("@angular/core").InputSignal<keyof T | undefined>;
    formGroupConfig: import("@angular/core").InputSignal<FormGroupConfig<{ [K in keyof T]: AbstractControl<any, any>; }> | undefined>;
    groupBy: import("@angular/core").InputSignal<keyof T | ((row: T) => any) | undefined>;
    useVirtualScroll: import("@angular/core").InputSignal<boolean>;
    virtualScrollItemSize: import("@angular/core").InputSignal<number>;
    viewPort: Signal<CdkVirtualScrollViewport | undefined>;
    styleConfig: TableStyles;
    columnTemplates: Signal<readonly ColumnDirective[]>;
    rowEdit: EventEmitter<T>;
    rowSave: EventEmitter<{
        index: number;
        key: number | string;
        data: Partial<T>;
    }>;
    rowRevert: EventEmitter<{
        index: number;
        key: number | string;
        data: T;
    }>;
    rowDelete: EventEmitter<T>;
    selectionChange: EventEmitter<T[]>;
    /** Internally maintained data, with guaranteed uniqueness due to key property */
    tableData: Signal<DataWithKey<T>[]>;
    private editingRowsSignal;
    private selectedRowsSignal;
    private unEditedDataSignal;
    private formGroupsSignal;
    displayColumns: Signal<ColumnDefinition<T>[]>;
    constructor();
    updateVirtualScrollViewport(): void;
    hasFooter: Signal<boolean>;
    private _getRowIdByDataKey;
    isGroupRow(row: T): row is T & {
        isGroupRow: true;
        groupTitle: any;
    };
    trackByRowKey(index: number, row: any): any;
    groupedData: Signal<GroupedDataRow<T>[]>;
    getCellValue: (row: T, column: ColumnDefinition<T>) => any;
    isRowEditing: (rowKey: DataWithKey<T>["_key"]) => boolean;
    toggleRowEdit: (rowId: DataWithKey<T>["_key"]) => void;
    private toggleRowEditInternal;
    private initializeEditedData;
    private saveRow;
    private isRowSelected;
    private toggleRowSelection;
    private allRowsSelected;
    private someRowsSelected;
    private toggleAllRows;
    private emitSelectionChange;
    getHeaderContext(column: ColumnDefinition<T>): {
        $implicit: ColumnDefinition<T>;
        column: ColumnDefinition<T>;
        allRowsSelected: () => boolean;
        someRowsSelected: () => boolean;
        toggleAllRows: () => void;
    };
    updateEditedValue(rowId: string | number, column: ColumnDefinition<T>, value: any): void;
    updateEditedValueFn(rowId: string | number, valueFn: (value: any) => T, value: any): void;
    updateEditedData(rowId: string | number, data: Partial<T>): void;
    updateNestedEditedValue(rowId: string | number, column: ColumnDefinition<T>, nestedField: string, value: any): void;
    getCellContext(row: DataWithKey<T>, column: ColumnDefinition<T>, rowIndex: number): {
        $implicit: any;
        value: any;
        row: T;
        column: ColumnDefinition<T>;
        rowIndex: number;
        rowId: string | number;
        isEditing: boolean;
        formControl: AbstractControl<any, any> | null | undefined;
        control: AbstractControl<any, any> | null | undefined;
        isSelected: boolean;
        toggleRowSelection: () => void;
        toggleRowEdit: () => void;
        deleteRow: () => void;
        updateValue: (newValue: any) => void;
        updateNestedValue: (nestedField: string, newValue: any) => void;
        updateValueFn: (valueFn: (value: any) => T, newValue: any) => void;
        updateData: (newData: Partial<T>) => void;
    };
    deleteRow: (rowId: string | number) => void;
    getFooterContext(column: ColumnDefinition<T>): {
        $implicit: ColumnDefinition<T>;
        column: ColumnDefinition<T>;
        data: import("@angular/core").InputSignal<T[]>;
    };
    getTableStyle(): any;
    getHeaderStyle(): any;
    getFooterStyle(): any;
    getRowStyle(rowIndex: number): any;
    getCellStyle(rowIndex: number, colIndex: number): any;
    static ɵfac: i0.ɵɵFactoryDeclaration<DataTableComponent<any>, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<DataTableComponent<any>, "lib-data-table", never, { "data": { "alias": "data"; "required": true; "isSignal": true; }; "columns": { "alias": "columns"; "required": true; "isSignal": true; }; "dataKey": { "alias": "dataKey"; "required": false; "isSignal": true; }; "formGroupConfig": { "alias": "formGroupConfig"; "required": false; "isSignal": true; }; "groupBy": { "alias": "groupBy"; "required": false; "isSignal": true; }; "useVirtualScroll": { "alias": "useVirtualScroll"; "required": false; "isSignal": true; }; "virtualScrollItemSize": { "alias": "virtualScrollItemSize"; "required": false; "isSignal": true; }; "styleConfig": { "alias": "styleConfig"; "required": false; }; }, { "rowEdit": "rowEdit"; "rowSave": "rowSave"; "rowRevert": "rowRevert"; "rowDelete": "rowDelete"; "selectionChange": "selectionChange"; }, ["columnTemplates"], never, false, never>;
}