import { Layer, LayerClassesType } from 'layers';
import { VisState, TooltipField, CompareType, SplitMapLayers } from 'reducers/vis-state-updaters';
import KeplerTable, { Field } from './table-utils/kepler-table';
import { MaskExtension } from '@deck.gl/extensions';
export type LayersToRender = {
    [layerId: string]: boolean;
};
export type LayerHoverProp = {
    data: any[];
    fields: Field[];
    fieldsToShow: TooltipField[];
    layer: Layer;
    primaryData?: any[];
    compareType?: CompareType;
};
/**
 * Find default layers from fields
 */
export declare function findDefaultLayer(dataset: KeplerTable, layerClasses: LayerClassesType): Layer[];
/**
 * calculate layer data based on layer type, col Config,
 * return updated layer if colorDomain, dataMap has changed
 */
export declare function calculateLayerData(layer: Layer, state: VisState, oldLayerData?: any): {
    layerData: any;
    layer: Layer;
};
/**
 * Calculate props passed to LayerHoverInfo
 * @type {typeof import('./layer-utils').getLayerHoverProp}
 */
export declare function getLayerHoverProp({ interactionConfig, hoverInfo, layers, layersToRender, datasets }: {
    interactionConfig: VisState['interactionConfig'];
    hoverInfo: VisState['hoverInfo'];
    layers: VisState['layers'];
    layersToRender: LayersToRender;
    datasets: VisState['datasets'];
}): LayerHoverProp | null;
export declare function renderDeckGlLayer(props: any, layerCallbacks: {
    [key: string]: any;
}, idx: number): any;
export declare function isLayerRenderable(layer: Layer, layerData: any): boolean;
export declare function isLayerVisible(layer: any, mapLayers: any): any;
export declare function prepareLayersForDeck(layers: Layer[], layerData: VisState['layerData']): {
    [key: string]: boolean;
};
export declare function prepareLayersToRender(layers: Layer[], layerData: VisState['layerData'], mapLayers?: SplitMapLayers): {
    [key: string]: boolean;
};
export declare function getMaskExtensionProps(maskPolygon: any): {
    maskId: string;
    extensions: MaskExtension[];
};
export declare function negateAccessor(accessor: any): number | ((d: any, i: any) => number);