src code changes

Author: aditi-khare-mongoDB

types/schematypes.d.ts

@@ -1,4 +1,4 @@
-import { BSON } from 'bson';
+import * as BSON from 'bson';
 
 declare module 'mongoose' {
 
@@ -237,6 +237,28 @@ declare module 'mongoose' {
 
   type ValidatorFunction<DocType = any> = (this: DocType, value: any, validatorProperties?: Validator) => any;
 
+  export interface EncryptSchemaTypeOptions {
+    /** The id of the  dataKey to use for encryption */
+    keyId: BSON.UUID;
+
+    /**
+     * Specifies the type of queries that the field can be queried on for Queryable Encryption.
+     * Required when `SchemaOptions.encryptionType` is 'queryableEncryption'
+    */
+    queries?: 'equality' | 'range';
+
+    /**
+     * The algorithm to use for encryption.
+     * Required when `SchemaOptions.encryptionType` is 'csfle'
+     */
+    algorithm?:
+      | 'AEAD_AES_256_CBC_HMAC_SHA_512-Deterministic'
+      | 'AEAD_AES_256_CBC_HMAC_SHA_512-Random'
+      | 'Indexed'
+      | 'Unindexed'
+      | 'Range';
+  }
+
   class SchemaType<T = any, DocType = any> {
     /** SchemaType constructor */
     constructor(path: string, options?: AnyObject, instance?: string);