import type { LayerDescriptor, LayerFilterFieldSpec, LayerCategoryFilterFieldSpec, Selection } from "@nika-js/onlymap";
export interface OmLayerProps {
    /** Stable identity — same contract as the `id` attribute. */
    id: string;
    /** deck.gl layer class name, e.g. "ScatterplotLayer". */
    type: string;
    /**
     * Inline rows / GeoJSON / columnar data, or a URL string (formats,
     * ws(s):// streams, `refresh` polling — the full Data Layer). Keep inline
     * references stable across renders (useMemo/useState): `data:<id>` watch
     * tokens diff by reference.
     */
    data?: unknown;
    /** Legend metadata (ctx.layers). */
    label?: string;
    color?: string;
    /** GPU filter (DataFilterExtension) — mirrors filter-field/filter-range (single dimension). */
    filterField?: string;
    filterRange?: [number, number];
    filterSoftRange?: [number, number];
    /** Multi-dimension GPU filter (up to 4) — mirrors `filter-fields`. Wins over `filterField`/`filterRange` if both are set. */
    filterFields?: LayerFilterFieldSpec[];
    filterCategoryField?: string;
    filterCategories?: unknown[];
    /** Multi-dimension categorical GPU filter (up to 4) — mirrors `filter-category-fields`. Wins over `filterCategoryField`/`filterCategories` if both are set. */
    filterCategoryFields?: LayerCategoryFilterFieldSpec[];
    /** Dashed path styling, mirroring `dash` / `dash-justified`. */
    dash?: [number, number];
    dashJustified?: boolean;
    /** Stream options for ws(s):// data URLs. `streamKey` is the upsert identity field (the `key` attribute — `key` itself is reserved by React). */
    source?: string;
    streamKey?: string;
    flush?: string;
    /** Polling interval for REST snapshot URLs, e.g. "5s". */
    refresh?: string;
    /** Behavior under active map terrain; absent uses the layer type's default. */
    terrain?: "drape" | "offset" | "off";
    /** deck.gl updateTriggers — supply a changing value when an accessor's OUTPUT changes (deck ignores function identity). */
    updateTriggers?: Record<string, unknown>;
    /** Click pick on this layer (object flattened/materialized, same as ctx.selection). */
    onClick?: (selection: Selection) => void;
    /** Hover pick on this layer; `null` = the pointer left whatever it was hovering. */
    onHover?: (selection: Selection | null) => void;
    /** Everything else passes through as deck.gl props (camelCase): getPosition, radiusMinPixels, visible, opacity, pickable, … */
    [deckProp: string]: unknown;
}
/** @internal Pure React-props → programmatic descriptor adapter used by parity tests. */
export declare function reactLayerPropsToDescriptor(props: OmLayerProps): LayerDescriptor;
export declare function OmLayer(props: OmLayerProps): null;