import { type ReducerName } from '../helpers/reduce.js';
import type { DataRecord, TransformArg } from '../types.js';
type WindowOptions = {
    k: number;
    interval: string;
    anchor: 'start' | 'middle' | 'end';
    reduce: ReducerName;
    strict: boolean;
};
export declare function windowX(args: TransformArg<DataRecord>, options: WindowOptions): {
    data: {
        [x: string]: import("../types.js").RawValue;
        ___orig___?: import("../types.js").RawValue | [import("../types.js").RawValue, import("../types.js").RawValue];
    }[];
};
export declare function windowY(args: TransformArg<DataRecord>, options: WindowOptions): {
    data: {
        [x: string]: import("../types.js").RawValue;
        ___orig___?: import("../types.js").RawValue | [import("../types.js").RawValue, import("../types.js").RawValue];
    }[];
};
export {};