import type { XYChartThresholdsPropsInternal, XYChartThresholdXStaticPropsInternal } from '../../types/xy-chart-internals.js';
import { XYChartThresholdDynamicProps, XYChartThresholdIndicatorProps, _XYChartThresholdDataXRangeStatic, _XYChartThresholdStaticXProps, _XYChartThresholdXStaticData } from '../../types/xy-chart-props.js';
import { XYChartThresholdData, type XYChartThresholdRangeBase } from '../../types/xy-chart.js';
/**
 * Type guard to check if a given object is of type DataRangeStatic.
 *
 * @param obj - The object to check.
 * @returns True if the object is a DataRangeStatic, false otherwise.
 */
export declare const isDataRange: (obj: XYChartThresholdData) => obj is XYChartThresholdRangeBase;
/**
 * Type guard to check if a given X-axis threshold data object is a range (vertical band).
 *
 * @param obj - The object to check.
 * @returns True if the object is an X-axis range, false otherwise.
 */
export declare const isDataRangeX: (obj: _XYChartThresholdXStaticData) => obj is _XYChartThresholdDataXRangeStatic;
export declare const isThresholdDynamic: (obj: XYChartThresholdIndicatorProps) => obj is XYChartThresholdDynamicProps;
/**
 * Type guard for a static threshold bound to the X axis (vertical line or band).
 * Distinguished from the dynamic path by its non-array `data`.
 *
 * @param obj - The threshold props to check.
 * @returns True if the threshold is an X-axis static threshold, false otherwise.
 */
export declare const isThresholdXStatic: (obj: XYChartThresholdIndicatorProps | _XYChartThresholdStaticXProps) => obj is _XYChartThresholdStaticXProps;
/**
 * Type guard for the internal representation of an X-axis static threshold.
 * X-static is the only internal variant with an `xAxisId` but no `yAxisId`.
 *
 * @param threshold - The internal threshold to check.
 * @returns True if the threshold is an internal X-axis static threshold.
 */
export declare const isThresholdXStaticInternal: (threshold: XYChartThresholdsPropsInternal[number]) => threshold is XYChartThresholdXStaticPropsInternal;
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