import type { SnapPoint } from "./types";
/**
 * Resolve all snap points to sorted pixel heights (ascending).
 * Returns an array of heights in px that the drawer should snap to.
 */
export declare const resolveSnapPoints: (points: SnapPoint[], viewportHeight: number) => number[];
/**
 * Given the current drag offset (from fully open), resolved snap heights,
 * the panel height, and release velocity, find the best snap point index.
 *
 * `dragOffset` is positive in the dismiss direction (downward for bottom sheets).
 * Snap heights are "how tall the drawer should be" (ascending order).
 *
 * Returns -1 if the gesture indicates full dismissal.
 */
export declare const findSnapTarget: (dragOffset: number, panelHeight: number, snapHeights: number[], velocity: number, currentIndex: number, sequential: boolean) => number;
/**
 * Get the Y offset for a snap point relative to fully open (0 offset).
 * Returns the number of pixels the drawer should be translated down from fully open.
 */
export declare const getSnapOffset: (snapIndex: number, snapHeights: number[], panelHeight: number) => number;
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