/** Euclidean distance between the first two active touches, or null. */
export declare function touchDistance(rawEvent: any): number | null;
/** Midpoint (page space) between the first two active touches, or null. */
export declare function touchCenter(rawEvent: any): {
    x: number;
    y: number;
} | null;
/**
 * Lazily resolve react-native-gesture-handler if present. Returns null when not
 * installed. Callers must degrade to the built-in two-touch path in that case.
 */
export declare function resolveGestureHandler(): any | null;