import { type ThresholdIndicatorData } from '../../../core/components/threshold-bar/indicators/ThresholdIndicator.js';
import type { ThresholdMarker } from '../../../core/components/threshold-bar/types.js';
import type { MinMax } from '../../../core/types/min-max.js';
import type { AxisIdToScales } from '../../context/XYChartScales.context.js';
import type { AxisIdToFormatter, XYChartAxisInternal, XYChartThresholdsPropsInternal } from '../../types/xy-chart-internals.js';
import type { XYChartThresholdDynamicData, XYChartXAxisPosition, XYChartYAxisPosition } from '../../types/xy-chart.js';
interface ThresholdMarkersReducerConfig {
    axis: 'left' | 'right';
    axisConfig?: XYChartAxisInternal;
    axesIdToScales: AxisIdToScales;
    axesIdToFormatter: AxisIdToFormatter;
    width: number;
    axes: XYChartAxisInternal[];
}
export declare function getDynamicThresholdDomain(data: XYChartThresholdDynamicData[], side: 'left' | 'right', visibleDomain: MinMax): {
    y0: import("../../types/xy-chart.js").XYChartThresholdValue;
    y1: import("../../types/xy-chart.js").XYChartThresholdValue;
};
/**
 * Returns a reducer function to accumulate threshold markers with scale and formatted value.
 */
export declare function markersReducer({ axis, axisConfig, axesIdToScales, axesIdToFormatter, width, axes, }: ThresholdMarkersReducerConfig): (acc: ThresholdMarker[], threshold: XYChartThresholdsPropsInternal[number]) => ThresholdMarker[];
interface XThresholdMarkersReducerConfig {
    axis: 'top' | 'bottom';
    axisConfig?: XYChartAxisInternal;
    axesIdToScales: AxisIdToScales;
    axesIdToFormatter: AxisIdToFormatter;
    width: number;
    axes: XYChartAxisInternal[];
}
/**
 * Reducer that accumulates the horizontal (X-axis static) threshold markers for the
 * top/bottom pill bars. Mirrors {@link markersReducer}, using the X scale and binding
 * to `xAxisId`. Non X-static thresholds are ignored.
 */
export declare function xMarkersReducer({ axis, axisConfig, axesIdToScales, axesIdToFormatter, width, axes, }: XThresholdMarkersReducerConfig): (acc: ThresholdMarker[], threshold: XYChartThresholdsPropsInternal[number]) => ThresholdMarker[];
export declare const axisPositionIncludes: (expectedPosition: "left" | "right") => (actualPosition: XYChartYAxisPosition | XYChartXAxisPosition) => boolean;
export declare const xAxisPositionIncludes: (expectedPosition: "top" | "bottom") => (actualPosition: XYChartYAxisPosition | XYChartXAxisPosition) => boolean;
type IndicatorData = (args: {
    axisIdToScales: AxisIdToScales;
    threshold: XYChartThresholdsPropsInternal[number];
    width: number;
    height: number;
}) => ThresholdIndicatorData[];
export declare const mapIndicatorDataFrom: IndicatorData;
export {};
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