import { Gauge } from '../types/Gauge';
import { SubArc } from '../types/Arc';
/**
 * Get effective angles for a gauge, with fallback to type defaults if not yet calculated.
 * This ensures ticks are positioned correctly even on first render before dimensions are set.
 */
export declare const getEffectiveAngles: (gauge: Gauge) => {
    startAngle: number;
    endAngle: number;
};
export declare const hideTooltip: (gauge: Gauge) => void;
export declare const setArcData: (gauge: Gauge) => void;
export declare const drawArc: (gauge: Gauge, percent?: number | undefined) => void;
export declare const setupArcs: (gauge: Gauge, resize?: boolean, initialPercent?: number | undefined) => void;
export declare const setupTooltip: (gauge: Gauge) => void;
export declare const applyColors: (subArcsPath: any, gauge: Gauge) => void;
/**
 * Create and apply SVG filter effects to arcs
 */
export declare const applyArcEffects: (subArcsPath: any, gauge: Gauge) => void;
export declare const getArcDataByValue: (value: number, gauge: Gauge) => SubArc;
export declare const getArcDataByPercentage: (percentage: number, gauge: Gauge) => SubArc;
/**
 * Get the interpolated color for a given percentage when using gradient mode.
 * This is needed because gradient mode doesn't store colors in arcData.current.
 * Falls back to getArcDataByPercentage for non-gradient mode.
 */
export declare const getColorByPercentage: (percentage: number, gauge: Gauge) => string;
export declare const applyGradientColors: (gradEl: any, gauge: Gauge) => void;
export declare const getColors: (nbArcsToDisplay: number, gauge: Gauge) => string[];
export declare const createGradientElement: (div: any, uniqueId: string) => any;
export declare const getCoordByValue: (value: number, gauge: Gauge, position?: string, centerToArcLengthSubtract?: number) => {
    x: number;
    y: number;
};
export declare const redrawArcs: (gauge: Gauge) => void;
export declare const clearArcs: (gauge: Gauge) => void;
/**
 * Efficiently update Grafana arc for animation frames.
 * Instead of clearing and recreating DOM elements on every frame,
 * this updates the existing arc paths' data, which is MUCH faster.
 */
export declare const updateGrafanaArc: (gauge: Gauge, percent: number) => void;
export declare const clearOuterArcs: (gauge: Gauge) => void;
export declare const validateArcs: (gauge: Gauge) => void;