import { RenderContext } from './RenderContext';
import { ViewportRenderer } from './ViewportRenderer';
import { RowRenderer } from './RowRenderer';
import { HeaderRenderer } from './HeaderRenderer';
import { RowHeaderRenderer } from './RowHeaderRenderer';
import { ColumnGroupRenderer } from './ColumnGroupRenderer';
/** Runs one render pass: headers, then body rows, then the pinned bands. */
export declare class Renderer {
    private viewport;
    private rows;
    private header;
    private rowHeader;
    private showRowHeader;
    private columnGroups?;
    private frozen;
    private merge;
    constructor(viewport: ViewportRenderer, rows: RowRenderer, header: HeaderRenderer, rowHeader: RowHeaderRenderer, showRowHeader: boolean, columnGroups?: ColumnGroupRenderer | undefined);
    /** Resize the scroll canvas to the current totals. Call when layout changes. */
    resize(ctx: RenderContext): void;
    render(ctx: RenderContext): void;
}