import type { DataXY } from 'cheminfo-types';
export interface YFunctionFilter {
    name: 'yFunction';
    options?: YFunctionOptions;
}
export interface YFunctionOptions {
    /**
     * Will apply a function on the Y variable on each element of the array described as a string
     * In front of sequence of lowercase we will add 'Math.'. This allows to write
     * `sin(y) + cos(y)` and it will be replace internally by (y) => (Math.sin(y) + Math.cos(y))
     * @default ''
     */
    function?: string;
}
/**
 * Filter that allows to
 * @param data
 * @param options
 */
export declare function yFunction(data: DataXY<Float64Array>, options?: YFunctionOptions): {
    data: {
        x: Float64Array<ArrayBufferLike>;
        y: Float64Array<ArrayBuffer>;
    };
};
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