import type { RenderItemFunction } from '@lit-labs/virtualizer/virtualize.js';
import { type ReactiveController } from 'lit';
import { type StyleInfo } from 'lit/directives/style-map.js';
import type { ColumnConfiguration, GridHost } from '../internal/types.js';
import type { StateController } from './state.js';
export declare class GridDOMController<T extends object> implements ReactiveController {
    #private;
    protected host: GridHost<T>;
    protected state: StateController<T>;
    constructor(host: GridHost<T>, state: StateController<T>);
    get container(): import("../components/virtualizer.js").default;
    /**
     * Visual render order: `'start'`-pinned columns first, then unpinned, then
     * `'end'`-pinned. The user-supplied `columns` array is never mutated.
     */
    get displayColumns(): Array<ColumnConfiguration<T>>;
    columnSizes: StyleInfo;
    /**
     * The resolved inline-start (for `'start'` pin) or inline-end (for `'end'` pin)
     * pixel offset per pinned column key. Populated after layout by
     * {@link recomputePinOffsets}.
     */
    pinOffsets: Map<keyof T, number>;
    rowRenderer: RenderItemFunction<T>;
    hostConnected(): Promise<void>;
    hostUpdate(): void;
    hostUpdated(): void;
    hostDisconnected(): void;
    /**
     * Writes the grid host's `clientWidth` into `--apex-host-width`. Used by the
     * toolbar and paginator to clamp their width to the visible viewport so
     * horizontal scrolling doesn't drag them off-screen.
     */
    recomputeHostWidth(): void;
    setScrollOffset(): void;
    protected setGridColumnSizes(): void;
    getActiveRowStyles(index: number): StyleInfo;
    /**
     * Measures the rendered widths of pinned header cells and writes cumulative
     * inline-start / inline-end pixel offsets into {@link pinOffsets}. Called after
     * each grid update and whenever a header cell is resized.
     */
    recomputePinOffsets(): void;
    protected observeHeaderCells(): void;
    /**
     * Writes the cumulative height of the sticky top rows into CSS custom
     * properties used by the header/filter rows for their `inset-block-start`
     * offsets. The toolbar is always at `top: 0`; the header sits below it
     * (`--apex-row-top-header`) and the filter sits below the header
     * (`--apex-row-top-filter`). Writes are skipped when the values haven't
     * changed so the ResizeObserver feedback loop terminates.
     */
    recomputeStickyRowOffsets(): void;
    protected observeStickyRows(): void;
}