import { DataType } from 'apache-arrow';
import { CosmographConfig } from "..";
import { SizeAccessorFn } from "../config/interfaces/data";
export declare enum PointSizeStrategy {
    /**
     * Sizes points based on their degree (number of connections) within the {@link CosmographConfig.pointSizeRange pointSizeRange} size range with quantile-based boundaries.
     * - Minimum and maximum values are clamped to 5th and 95th percentiles of total degree distribution
     * - Has effect only if links provided
     */
    Degree = "degree",
    /**
     * Sizes points based on their degree (number of connections) within the {@link CosmographConfig.pointSizeRange pointSizeRange} size range without quantile-based boundaries.
     * - Has effect only if links provided
     */
    PreciseDegree = "preciseDegree",
    /**
     * Automatically sizes points using symmetric log scaling with quantile-based data boundaries based on the {@link CosmographConfig.pointSizeBy pointSizeBy} data. Uses {@link CosmographConfig.pointSizeRange pointSizeRange} to determine the min/max size range.
     * - Has effect only if {@link CosmographConfig.pointSizeBy pointSizeBy} provided and contains numeric data.
     */
    Auto = "auto",
    /**
     * Directly uses {@link CosmographConfig.pointSizeBy pointSizeBy} column values as point sizes.
     * - If {@link CosmographConfig.pointSizeByFn pointSizeByFn} exists, applies it to transform {@link CosmographConfig.pointSizeBy pointSizeBy} values into custom sizes with it
     * - Falls back to {@link CosmographConfig.pointDefaultSize pointDefaultSize} if invalid size
     * - If neither {@link CosmographConfig.pointSizeBy} nor {@link CosmographConfig.pointSizeByFn} exist, sizes all points with {@link CosmographConfig.pointDefaultSize pointDefaultSize}
     */
    Direct = "direct",
    /**
     * Sizes all points uniformly to the same size specified by  {@link CosmographConfig.pointDefaultSize pointDefaultSize}.
     */
    Single = "single"
}
export type PointSizeStrategyType = `${PointSizeStrategy}`;
export declare const getFallbackPointSize: (config: CosmographConfig) => number;
export declare const getActivePointSizeFn: (strategy: PointSizeStrategyType, config: CosmographConfig, data: number[]) => SizeAccessorFn;
/**
   * Determines the optimal size strategy for points based on the configuration and data summary.
   *
   * @param config - The configuration object of the Cosmograph.
   * @param pointsSummary - Optional summaries of points.
   * @returns The resolved {@link PointSizeStrategyType} or `undefined` if using custom sizing
   */
export declare function resolveOptimalPointSizeStrategy(config: CosmographConfig, dataColumnType?: DataType): PointSizeStrategyType;