import { Base, Point, IList$1, Type } from "igniteui-angular-core";
import { IPreparesCategoryTrendline } from "./IPreparesCategoryTrendline";
import { IHasCategoryTrendline } from "./IHasCategoryTrendline";
import { PreparationParams } from "./PreparationParams";
import { ValuesHolder } from "./ValuesHolder";
import { List$1 } from "igniteui-angular-core";
import { TrendLineType } from "igniteui-angular-core";
import { TrendResolutionParams } from "./TrendResolutionParams";
/**
 * @hidden
 */
export declare class DefaultCategoryTrendlinePreparer extends Base implements IPreparesCategoryTrendline {
    static $t: Type;
    prepareLine(a: IHasCategoryTrendline, b: PreparationParams, c: ValuesHolder, d: number): void;
    prepareLine1(a: IHasCategoryTrendline, b: List$1<Point>, c: PreparationParams, d: ValuesHolder, e: number): void;
    prepareLineCore(a: List$1<Point>, b: TrendLineType, c: IList$1<number>, d: number, e: (arg1: number) => number, f: (arg1: number) => number, g: TrendResolutionParams): void;
}
