import { RenderContext } from './RenderContext';
import { ViewportRenderer } from './ViewportRenderer';
/**
 * Draws the pinned regions: the frozen-column band, the frozen-row band, the
 * shared corner where they meet, and the matching header/row-header slices. The
 * three regions partition cleanly — the columns band skips the frozen rows, the
 * rows band skips the frozen columns, and the corner owns the overlap — so no
 * cell is painted twice.
 */
export declare class FrozenRenderer {
    private colsBand;
    private rowsBand;
    private cornerBand;
    private colsHeader;
    private rowsHeader;
    constructor(vp: ViewportRenderer);
    render(ctx: RenderContext): void;
}