intelephense

Index: package/lib/lib.es2015.core.d.ts
===================================================================
--- package/lib/lib.es2015.core.d.ts
+++ package/lib/lib.es2015.core.d.ts
@@ -59,8 +59,10 @@
      * is treated as length+end.
      * @param end If not specified, length of the this object is used as its default value.
      */
     copyWithin(target: number, start: number, end?: number): this;
+
+    toLocaleString(locales: string | string[], options?: Intl.NumberFormatOptions & Intl.DateTimeFormatOptions): string;
 }
 
 interface ArrayConstructor {
     /**
@@ -359,8 +361,10 @@
      * @param thisArg If provided, it will be used as the this value for each invocation of
      * predicate. If it is not provided, undefined is used instead.
      */
     findIndex(predicate: (value: T, index: number, obj: readonly T[]) => unknown, thisArg?: any): number;
+
+    toLocaleString(locales: string | string[], options?: Intl.NumberFormatOptions & Intl.DateTimeFormatOptions): string;
 }
 
 interface RegExp {
     /**
@@ -554,4 +558,40 @@
      * @param substitutions A set of substitution values.
      */
     raw(template: { raw: readonly string[] | ArrayLike<string>; }, ...substitutions: any[]): string;
 }
+
+interface Int8Array<TArrayBuffer extends ArrayBufferLike> {
+    toLocaleString(locales: string | string[], options?: Intl.NumberFormatOptions): string;
+}
+
+interface Uint8Array<TArrayBuffer extends ArrayBufferLike> {
+    toLocaleString(locales: string | string[], options?: Intl.NumberFormatOptions): string;
+}
+
+interface Uint8ClampedArray<TArrayBuffer extends ArrayBufferLike> {
+    toLocaleString(locales: string | string[], options?: Intl.NumberFormatOptions): string;
+}
+
+interface Int16Array<TArrayBuffer extends ArrayBufferLike> {
+    toLocaleString(locales: string | string[], options?: Intl.NumberFormatOptions): string;
+}
+
+interface Uint16Array<TArrayBuffer extends ArrayBufferLike> {
+    toLocaleString(locales: string | string[], options?: Intl.NumberFormatOptions): string;
+}
+
+interface Int32Array<TArrayBuffer extends ArrayBufferLike> {
+    toLocaleString(locales: string | string[], options?: Intl.NumberFormatOptions): string;
+}
+
+interface Uint32Array<TArrayBuffer extends ArrayBufferLike> {
+    toLocaleString(locales: string | string[], options?: Intl.NumberFormatOptions): string;
+}
+
+interface Float32Array<TArrayBuffer extends ArrayBufferLike> {
+    toLocaleString(locales: string | string[], options?: Intl.NumberFormatOptions): string;
+}
+
+interface Float64Array<TArrayBuffer extends ArrayBufferLike> {
+    toLocaleString(locales: string | string[], options?: Intl.NumberFormatOptions): string;
+}