import type { ObjectId } from "./object-types.js";
import type { ObjectTrailStyle } from "./object-types.js";
export interface TrailPoint {
    lat: number;
    lng: number;
    time: number;
}
export interface TrailPolyline {
    id: ObjectId;
    points: TrailPoint[];
    style: Required<Pick<ObjectTrailStyle, "stroke" | "strokeWidth" | "strokeOpacity">>;
}
/** Hard cap on `style.trail.maxPoints` (availability). */
export declare const MAX_TRAIL_POINTS = 512;
/** Hard cap on `style.trail.maxAgeMs` (24h). */
export declare const MAX_TRAIL_AGE_MS = 86400000;
/**
 * Per-object trail history for Point motion.
 * Appends on logical coordinate change; batch-rendered via WebGLPathBatch.
 */
export declare class ObjectTrailStore {
    #private;
    private readonly trails;
    private readonly styles;
    clear(): void;
    remove(id: ObjectId): void;
    configure(id: ObjectId, style: ObjectTrailStyle | null | undefined): void;
    append(id: ObjectId, lat: number, lng: number, now?: number): void;
    list(): TrailPolyline[];
}
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