message: use existing impl
diff: @@ -13,6 +13,7 @@ import { Structure, StructureElement, StructureProperties } from '../../../mol-m
  import { assignRadiusForHeavyAtoms } from './shrake-rupley/radii';
  import { ShrakeRupleyContext, VdWLookup, MaxAsa, DefaultMaxAsa } from './shrake-rupley/common';
  import { computeArea } from './shrake-rupley/area';
  +import { SortedArray } from '../../../mol-data/int';
  export const ShrakeRupleyComputationParams = {
  numberOfSpherePoints: PD.Numeric(92, { min: 12, max: 360, step: 1 }, { description: 'Number of sphere points to sample per atom: 92 (original paper), 960 (BioJava), 3000 (EPPIC) - see Shrake A, Rupley JA: Environment and exposure to solvent of protein atoms. Lysozyme and insulin. J Mol Biol 1973.' }),
  @@ -102,31 +103,11 @@ namespace AccessibleSurfaceArea {
  export function getValue(location: StructureElement.Location, accessibleSurfaceArea: AccessibleSurfaceArea) {
  const { area, serialResidueIndex } = accessibleSurfaceArea;
  - const rSI = serialResidueIndex[indexOf(location.structure.root.serialMapping.elementIndices, location.element)];
  + const rSI = serialResidueIndex[SortedArray.indexOf(location.structure.root.serialMapping.elementIndices as unknown as SortedArray, location.element)];
  if (rSI === -1) return -1;
  return area[rSI];
  }
  - function indexOf(a: ArrayLike<number>, e: number): number {
  - let min = 0, max = a.length - 1;
  -
  - while (min <= max) {
  - if (min + 11 > max) {
  - for (let i = min; i <= max; i++) {
  - if (e === a[i]) return i;
  - }
  - return -1;
  - }
  -
  - const mid = (min + max) >> 1;
  - const v = a[mid];
  - if (e < v) max = mid - 1;
  - else if (e > v) min = mid + 1;
  - else return mid;
  - }
  - return -1;
  - }
  -
  export function getNormalizedValue(location: StructureElement.Location, accessibleSurfaceArea: AccessibleSurfaceArea) {
  const value = getValue(location, accessibleSurfaceArea);
  return value === -1 ? -1 : normalize(StructureProperties.atom.label_comp_id(location), value);
  