import React from 'react';
import { Viewport } from '@deck.gl/core';
import type { Selection } from '../../../shared/models/models.selections';
import type { MapFeature } from '../../../shared/models/models.mapFeature';
import { TooltipAttribute } from '../../../shared/models/models.tooltip';
import { TooltipType } from '../../../shared/models/models.tooltip';
export interface LayerTooltipParams {
    /** Tooltip visual/config settings coming from layer definition. */
    tooltipSettings: {
        offsetX?: number;
        offsetY?: number;
        attributes: TooltipAttribute[];
        /**
         * Tooltip strategy:
         * - TooltipType.Native   – let DeckGL handle it, or MapTooltip if CustomTooltip=false
         * - TooltipType.Hover    – show tooltip for hovered feature
         * - TooltipType.Click    – show tooltip for clicked feature
         * - TooltipType.Selection– show tooltip for currently selected feature
         */
        type?: TooltipType.Native | TooltipType.Hover | TooltipType.Click | TooltipType.Selection;
    };
    /** Info about the currently hovered/clicked feature (screen position + feature). */
    featureInfo?: {
        feature: MapFeature;
        x: number;
        y: number;
    } | null;
    pixelInfo?: {
        values: number[];
        x: number;
        y: number;
        currentChannelIndex: number;
    } | null;
    /** Features used for selection-based tooltips (typically all rendered features). */
    data?: MapFeature[];
    /** Active selection state for the layer (may be null if not selectable). */
    selection?: Selection | null;
    /** Current DeckGL viewport used for projecting [lng, lat] to screen coords. */
    viewport?: Viewport | null;
    /** Optional custom tooltip React component; when false, MapTooltip is used. */
    CustomTooltip?: React.ElementType | boolean;
    /**
     * Layer-specific function that returns a flat [lng, lat] coordinate
     * for a given feature (e.g. centroid for polygons, position for points).
     */
    getCoordinates?: (feature: MapFeature) => [number, number] | undefined;
}
/**
 * Shared logic for rendering hover/click/selection tooltips for map layers.
 *
 * - Uses `featureInfo` for hover/click tooltips (screen-space x/y already known).
 * - Uses `selection.featureKeys` (potentially multiple) + `viewport` + `getCoordinates`
 *   for selection tooltips, rendering one tooltip per selected feature.
 * - Falls back to "native" tooltips when requested and no CustomTooltip is provided.
 *
 * @param params Tooltip configuration and layer state.
 * @returns Tooltip React node or null if no tooltip should be rendered.
 */
export declare function getLayerTooltip({ tooltipSettings, featureInfo, pixelInfo, data, selection, viewport, CustomTooltip, getCoordinates, }: LayerTooltipParams): React.ReactNode;