import { PureContainerBase, PureContainerConfig } from "../../ui/PureContainer";
import { Instance } from "../../ui/Instance";
import { RenderingContext } from "../../ui/RenderingContext";
import { DataRecord, StructuredProp } from "../../ui/Prop";
export type PointReducerFunction = (x: any, y: any, name: string, data: any, array?: any[], index?: number) => void;
export interface PointReducerAccumulator {
    [key: string]: any;
}
export interface PointReducerInstance<TAccumulator extends PointReducerAccumulator = PointReducerAccumulator> extends Instance {
    resetAccumulator: () => void;
    pointFilter?: (x: any, y: any, name: string, data: any, array?: any[], index?: number) => boolean;
    accumulator?: TAccumulator;
    parentPointTracker?: PointReducerFunction;
    pointReducer?: PointReducerFunction;
    write?: () => void;
}
export interface PointReducerConfig extends PureContainerConfig {
    /** A callback function used to initialize the accumulator. */
    onInitAccumulator?: string | ((accumulator: DataRecord, instance: Instance) => void);
    /** A callback function used to collect information about all data points. */
    onMap?: string | ((accumulator: DataRecord, x?: any, y?: any, name?: string, data?: any, array?: any[], index?: number) => void);
    /** A callback function used to process accumulated information and write results. */
    onReduce?: string | ((accumulator: DataRecord, instance: Instance) => void);
    /** Parameters that trigger filter predicate re-creation. */
    filterParams?: StructuredProp;
    /** A callback function used to create a predicate for filtering points. */
    onCreatePointFilter?: string | ((filterParams: any, instance: Instance) => (x: number, y: number, name: string, data: any, array?: any[], index?: number) => boolean);
}
export declare class PointReducer<TAccumulator extends PointReducerAccumulator = PointReducerAccumulator> extends PureContainerBase<PointReducerConfig, PointReducerInstance<TAccumulator>> {
    onCreatePointFilter?: PointReducerConfig["onCreatePointFilter"];
    onInitAccumulator?: (acc: TAccumulator, instance: PointReducerInstance<TAccumulator>) => void;
    onMap?: (acc: TAccumulator, x: any, y: any, name: string, data?: any, array?: any[], index?: number) => void;
    onReduce?: (acc: TAccumulator, instance: PointReducerInstance<TAccumulator>) => void;
    constructor(config?: PointReducerConfig);
    declareData(...args: any[]): void;
    prepareData(context: RenderingContext, instance: PointReducerInstance<TAccumulator>): void;
    explore(context: RenderingContext, instance: PointReducerInstance<TAccumulator>): void;
    exploreCleanup(context: RenderingContext, instance: PointReducerInstance<TAccumulator>): void;
    prepare(context: RenderingContext, instance: PointReducerInstance<TAccumulator>): void;
    prepareCleanup(context: RenderingContext, instance: PointReducerInstance<TAccumulator>): void;
}
//# sourceMappingURL=PointReducer.d.ts.map