import { GridPosition } from '../types';
export type RowHeightInput = number | ((index: number) => number);
export interface GridLayoutParams {
    cols: number;
    colWidth: number;
    gap: number;
    layout: 'grid' | 'masonry';
    rowHeight: RowHeightInput;
}
export declare class GridLayoutEngine {
    private positions;
    private colHeights;
    private rowOffsets;
    private currentRowMax;
    private maxBottom;
    private params;
    private sameParams;
    private reset;
    private sizeOf;
    private appendMasonry;
    private appendGrid;
    sync(itemCount: number, p: GridLayoutParams): GridPosition[];
    getTotalHeight(): number;
}
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