import { ActiveSource, ReactiveFn } from 'instigator';
import { ColumnBoundary } from './gridGeometry';
import { ScrollbarExtent, ScrollbarPosition } from './scrollbarGeometry';
import { AllSelectionStates } from './selectionState/selectionStateFactory';
import { CellCoordBounds, SelectRange } from './selectionState/selectionTypes';
import { ColumnDef, Coord, DataRow, Size } from './types';
export declare const refEquals: <T>(a: T, b: T) => boolean;
export declare const shallowEqualsExceptFunctions: (a: any, b: any) => boolean;
export declare class GridState<T> {
    columns: ActiveSource<ColumnDef[]>;
    data: ActiveSource<Array<DataRow<T>>>;
    rowHeight: ActiveSource<number>;
    borderWidth: ActiveSource<number>;
    frozenRows: ActiveSource<number>;
    frozenCols: ActiveSource<number>;
    shouldAllowAutofill: ActiveSource<(selectRange: SelectRange) => boolean>;
    dpr: ActiveSource<number>;
    rootSize: ActiveSource<Size | null>;
    gridOffsetRaw: ActiveSource<Coord>;
    selectionState: ActiveSource<AllSelectionStates>;
    hoveredScrollbar: ActiveSource<'x' | 'y' | null>;
    autofillHandleIsHovered: ActiveSource<boolean>;
    gridOffset: ReactiveFn<Coord>;
    visibleRect: ReactiveFn<ClientRect>;
    columnBoundaries: ReactiveFn<ColumnBoundary[]>;
    gridInnerSize: ReactiveFn<Size>;
    gridSize: ReactiveFn<Size>;
    cellBounds: ReactiveFn<CellCoordBounds>;
    canvasSize: ReactiveFn<Size>;
    frozenColsWidth: ReactiveFn<number>;
    frozenRowsHeight: ReactiveFn<number>;
    horizontalScrollbarLength: ReactiveFn<number>;
    verticalScrollbarLength: ReactiveFn<number>;
    horizontalScrollbarExtent: ReactiveFn<ScrollbarExtent>;
    verticalScrollbarExtent: ReactiveFn<ScrollbarExtent>;
    horizontalScrollbarPos: ReactiveFn<ScrollbarPosition | null>;
    verticalScrollbarPos: ReactiveFn<ScrollbarPosition | null>;
    horizontalGutterBounds: ReactiveFn<ClientRect | null>;
    verticalGutterBounds: ReactiveFn<ClientRect | null>;
    cursorType: ReactiveFn<'crosshair' | 'default'>;
    constructor(columns: ColumnDef[], data: Array<DataRow<T>>, rowHeight: number, borderWidth: number, frozenRows: number, frozenCols: number, shouldAllowAutofill: (selectRange: SelectRange) => boolean);
}