import { Vector } from 'apache-arrow';
import { CosmographData } from "..";
import { ICosmographInternalApi } from '../internal';
/**
 * Creates a composite key from source and target indices using multiplication.
 * Uses BigInt to support unlimited unique points (within practical limits).
 * Uses 2^32 (4,294,967,296) as multiplier for efficient encoding to avoid collisions.
 * This is precision-lossless and O(1) for Map operations.
 */
export declare const createPairKey: (sourceIdx: number, targetIdx: number) => bigint;
export declare const parsePairKey: (pairKey: bigint) => {
    sourceIdx: number;
    targetIdx: number;
};
export declare class CosmographLinkAggregationManager {
    private _;
    constructor(_: ICosmographInternalApi);
    private _countCache;
    private _colorSumCache;
    private _widthSumCache;
    private _colorSumCacheColumn;
    private _widthSumCacheColumn;
    get countCache(): Map<bigint, number> | null;
    get colorSumCache(): Map<bigint, number> | null;
    get widthSumCache(): Map<bigint, number> | null;
    buildCountCache(linksTable: CosmographData): void;
    buildColorSumCache(linksTable: CosmographData, column: Vector | null): void;
    buildWidthSumCache(linksTable: CosmographData, column: Vector | null): void;
    private _buildSumCacheForType;
    private _buildSumCache;
    private _getIndexColumns;
    aggregateFromCache(linksTable: CosmographData, strategy: 'count' | 'sum' | 'average', useColorCache?: boolean): number[] | undefined;
    getKeysByValueCondition(cache: Map<bigint, number> | null, condition: (value: number) => boolean): bigint[];
    getIndicesSetFromKeys(keys: bigint[]): number[];
    getIndicesByValueCondition(cache: Map<bigint, number> | null, condition: (value: number) => boolean): number[];
    getIndicesByAverageCondition(countCache: Map<bigint, number> | null, sumCache: Map<bigint, number> | null, condition: (average: number) => boolean): number[];
    clear(): void;
    clearColorSumCache(): void;
    clearWidthSumCache(): void;
}