import type { WidgetAccent, WidgetFormat } from '../dashboard-types';
export interface WidgetFormatCtx {
    format?: WidgetFormat;
    locale?: string;
    currency?: string;
}
/**
 * Formats a scalar/series value with the widget's declared format. `currency`
 * uses the org currency + locale (same fallback chain as table cells); `percent`
 * treats the value as a fraction (0.142 → "14.2%"); `compact` uses Intl compact
 * notation (1_200 → "1.2K").
 */
export declare function formatWidgetValue(value: number, { format, locale, currency }: WidgetFormatCtx): string;
/** Axis-tick formatter — always compact so charts stay legible. */
export declare function formatAxisTick(value: number, { format, locale, currency }: WidgetFormatCtx): string;
/** Formats the compare delta fraction (0.142 → "+14.2%"). */
export declare function formatDelta(delta: number, locale?: string): string;
export interface AccentClasses {
    /** Icon chip background + foreground. */
    chip: string;
    /** Text color for accented labels. */
    text: string;
    /** Solid bar/fill background (progress, list proportion). */
    bar: string;
    /** Soft track background behind a bar. */
    track: string;
    /** Hex-ish CSS color used for recharts stroke/fill (var-based). */
    chartVar: string;
}
/** Resolves the accent class bundle, defaulting to `sky`. */
export declare function accentClasses(accent?: WidgetAccent): AccentClasses;
/**
 * A categorical palette for multi-series charts (pie/donut/bar by bucket).
 * Cycles the accent chart vars so slices stay theme-aware + dark-mode safe.
 */
export declare const CHART_PALETTE: string[];
/** Picks a palette color by index, wrapping around. */
export declare function paletteColor(index: number): string;
/** Grid/axis muted color from the theme (works in light + dark). */
export declare const CHART_MUTED = "var(--muted-foreground, #94a3b8)";
export declare const CHART_GRID = "var(--border, #e2e8f0)";
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