/**
 * System-level tuning for stick geometry, pill layout, animation, and
 * adaptive hover (see map marker design plan §3).
 *
 * `animation.spring` is the single source of truth for marker motion easing.
 * The stick endpoint animation drives a JS spring directly; the morph (label
 * track and direction icon collapse) uses CSS transitions whose duration is
 * derived from the spring's settle time and whose timing function is
 * `animation.morphEasing` so both motions feel like one.
 */
export declare const MARKER_TUNING: {
    readonly stick: {
        readonly defaultPositioning: {
            readonly type: "polar";
            readonly angleRad: number;
            readonly distance: 40;
        };
        readonly dotSizePx: 8;
        readonly lineWidthPx: 1.5;
    };
    readonly pill: {
        /** Maximum width of the label text area. Not the full rendered pill width. */
        readonly maxLabelWidthPx: 180;
        readonly paddingRightPx: 12;
        /** Matches `gap-1` (4 px) used between pill flex items in stick and indicator modes. */
        readonly gapPx: 4;
        /** Matches `pr-1.5` (6 px) applied to the pill outer div in stick mode. */
        readonly stickPaddingRightPx: 6;
    };
    readonly animation: {
        /**
         * Source-of-truth easing for marker motion. Used directly by the stick
         * endpoint loop, and as the timing reference for CSS-based morph parts.
         */
        readonly spring: Readonly<{
            stiffness: number;
            damping: number;
            mass: number;
            restVelocity: number;
            restDelta: number;
        }>;
        /**
         * CSS transition duration used by the morph (label grid track, direction
         * icon collapse). Derived from the spring's settle time so the morph reads
         * as a single coordinated motion with the stick endpoint.
         */
        readonly morphDurationMs: number;
        /**
         * CSS `transition-timing-function` used by every morph property. Matches
         * the spring's decelerating attack so JS-driven and CSS-driven parts of
         * the marker read as one motion. See `MARKER_MORPH_EASING` above.
         */
        readonly morphEasing: "cubic-bezier(0.22, 1, 0.36, 1)";
    };
    readonly hoverDebouncMs: 150;
    /** Marker panel layout: bottom sheet when map container width is below this (plan §7). */
    readonly panelLayout: {
        readonly bottomCardBreakpointWidthPx: 400;
    };
};