How to use the @here/harp-utils.Math2D.distSquared function in @here/harp-utils

const lineTechnique = poiInfo.technique as LineMarkerTechnique;
        const minDistanceSqr =
            lineTechnique.minDistance !== undefined
                ? lineTechnique.minDistance * lineTechnique.minDistance
                : 0;

        // Process markers (with shield groups).
        if (minDistanceSqr > 0 && shieldGroup !== undefined) {
            for (let pointIndex = 0; pointIndex < path.length; ++pointIndex) {
                const point = path[pointIndex];
                // Only process labels frustum-clipped labels
                if (this.m_screenProjector.project(point, tempScreenPosition) !== undefined) {
                    // Find a suitable location for the lineMarker to be placed at.
                    let tooClose = false;
                    for (let j = 0; j < shieldGroup.length; j += 2) {
                        const distanceSqr = Math2D.distSquared(
                            shieldGroup[j],
                            shieldGroup[j + 1],
                            tempScreenPosition.x,
                            tempScreenPosition.y
                        );
                        tooClose = distanceSqr < minDistanceSqr;
                        if (tooClose) {
                            break;
                        }
                    }

                    // Place it as a point label if it's not to close to other marker in the
                    // same shield group.
                    if (!tooClose) {
                        if (
                            this.addPointLabel(