fix: add missing constructor to TS type definitions

TS with Node16 or NodeNext module target expect explicit constructo
to allow new Foo() without syntax error.

Signed-off-by: Jérôme Benoit <jerome.benoit@sap.com>

bi-map.d.ts

@@ -28,6 +28,9 @@ export default class BiMap<K, V> implements Iterable<[K, V]> {
  size: number;
  inverse: InverseMap<V, K>;
 
+ // Constructor
+ constructor();
+
  // Methods
  clear(): void;
  set(key: K, value: V): this;

kd-tree.d.ts

@@ -11,6 +11,9 @@ export default class KDTree<V> {
  size: number;
  visited: number;
 
+ // Constructor
+ private constructor(dimensions: number, build: any);
+
  // Methods
  nearestNeighbor(point: Array<number>): V;
  kNearestNeighbors(k: number, point: Array<number>): Array<V>;

linked-list.d.ts

@@ -7,6 +7,9 @@ export default class LinkedList<T> implements Iterable<T> {
  // Members
  size: number;
 
+ // Constructor
+ constructor();
+
  // Methods
  clear(): void;
  first(): T | undefined;
@@ -26,4 +29,4 @@ export default class LinkedList<T> implements Iterable<T> {
 
  // Statics
  static from<I>(iterable: Iterable<I> | {[key: string]: I}): LinkedList<I>;
-}
+}

multi-map.d.ts

@@ -44,4 +44,4 @@ interface MultiMapConstructor {
 }
 
 declare const MultiMap: MultiMapConstructor;
-export default MultiMap;
+export default MultiMap;

multi-set.d.ts

@@ -8,6 +8,9 @@ export default class MultiSet<K> implements Iterable<K> {
  dimension: number;
  size: number;
 
+ // Constructor
+ constructor();
+
  // Methods
  clear(): void;
  add(key: K, count?: number): this;

queue.d.ts

@@ -7,6 +7,9 @@ export default class Queue<T> implements Iterable<T> {
  // Members
  size: number;
 
+ // Constructor
+ constructor();
+
  // Methods
  clear(): void;
  enqueue(item: T): number;

stack.d.ts

@@ -7,6 +7,9 @@ export default class Stack<T> implements Iterable<T> {
  // Members
  size: number;
 
+ // Constructor
+ constructor();
+
  // Methods
  clear(): void;
  push(item: T): number;