import type { DataXY, FromTo } from 'cheminfo-types';
export interface XYSetYValueOptions {
    zones?: FromTo[];
    /** Value to assign to y within the specified zones. Defaults to `0`. */
    value?: number;
}
/**
 * Set a value (default 0) to specific zones.
 * @param data - object that contains property x (an ordered increasing array) and y (an array).
 * @param options - options.
 * @returns data with y values set to the given value in the specified zones.
 */
export declare function xySetYValue(data: DataXY, options?: XYSetYValueOptions): DataXY;
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