import { GridStatusBarAggregates } from '../models';
import * as i0 from "@angular/core";
export interface CellCoordinate {
    rowIndex: number;
    colField: string;
}
export interface CellRange {
    start: CellCoordinate;
    end: CellCoordinate;
}
export declare class GridSelectionService {
    readonly selectedRows: import("@angular/core").WritableSignal<Set<unknown>>;
    readonly cellRanges: import("@angular/core").WritableSignal<CellRange[]>;
    readonly activeCellRange: import("@angular/core").WritableSignal<CellRange | null>;
    readonly focusedCell: import("@angular/core").WritableSignal<CellCoordinate | null>;
    readonly isDragging: import("@angular/core").WritableSignal<boolean>;
    readonly selectionAggregates: import("@angular/core").WritableSignal<GridStatusBarAggregates>;
    selectRow(rowId: unknown): void;
    deselectRow(rowId: unknown): void;
    toggleRow(rowId: unknown): void;
    selectAll(rowIds: unknown[]): void;
    deselectAll(): void;
    isRowSelected(rowId: unknown): boolean;
    startCellSelection(coord: CellCoordinate): void;
    extendCellSelection(coord: CellCoordinate): void;
    endCellSelection(): void;
    addCellRange(range: CellRange): void;
    clearCellSelection(): void;
    /** Simplistic check assuming contiguous field indices are managed externally if needed */
    isCellSelected(rowIndex: number, colField: string): boolean;
    setFocusedCell(coord: CellCoordinate): void;
    moveFocus(direction: 'up' | 'down' | 'left' | 'right', maxRow: number, fields: string[]): void;
    updateSelectionAggregates<T extends Record<string, unknown>>(data: T[], fields: string[]): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<GridSelectionService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<GridSelectionService>;
}