Add ambient defs

Author: zerodevx

ambient.d.ts

@@ -0,0 +1,17 @@
+interface ToBase64Options {
+  alphabet?: 'base64' | 'base64url'
+  omitPadding?: boolean
+}
+
+interface FromBase64Options {
+  alphabet?: 'base64' | 'base64url'
+  lastChunkHandling?: 'loose' | 'strict'
+}
+
+interface Uint8Array {
+  toBase64(options?: ToBase64Options): string
+}
+
+interface Uint8ArrayConstructor {
+  fromBase64(str: string, options?: FromBase64Options): Uint8Array
+}