import { Vec } from "@thi.ng/vectors";
import { GestureEvent, GestureStream } from "@thi.ng/rstream-gestures";
import { IMotionEvent } from "./api";
export interface DragGesture2DEvent {
    gesture: GestureStream;
    particle: IMotionEvent<"particle">;
}
export interface DragGesture2DOpts {
    maxSpeed: number;
    friction: number;
    initialPosition?: Vec;
}
export declare const dragGesture2d: (gesture$: GestureStream, opts?: Partial<DragGesture2DOpts>) => import("@thi.ng/rstream").StreamSync<{
    particle: import("@thi.ng/rstream").ISubscription<IMotionEvent<"particle">, IMotionEvent<"particle">>;
    gesture: GestureStream;
}, {
    gesture: GestureEvent;
    particle: IMotionEvent<"particle">;
}>;
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