fix(typings): add hasMany create method (#11512)

types/lib/associations/has-many.d.ts

@@ -58,6 +58,7 @@ export interface HasManyGetAssociationsMixinOptions extends FindOptions {
  *  // addRoles...
  *  // addRole...
  *  // createRole...
+ *  // createRoles...
  *  // removeRole...
  *  // removeRoles...
  *  // hasRole...
@@ -91,6 +92,7 @@ export interface HasManySetAssociationsMixinOptions extends FindOptions, Instanc
  *  // addRoles...
  *  // addRole...
  *  // createRole...
+ *  // createRoles...
  *  // removeRole...
  *  // removeRoles...
  *  // hasRole...
@@ -127,6 +129,7 @@ export interface HasManyAddAssociationsMixinOptions extends InstanceUpdateOption
  *  addRoles: Sequelize.HasManyAddAssociationsMixin<RoleInstance, RoleId>;
  *  // addRole...
  *  // createRole...
+ *  // createRoles...
  *  // removeRole...
  *  // removeRoles...
  *  // hasRole...
@@ -163,6 +166,7 @@ export interface HasManyAddAssociationMixinOptions extends InstanceUpdateOptions
  *  // addRoles...
  *  addRole: Sequelize.HasManyAddAssociationMixin<RoleInstance, RoleId>;
  *  // createRole...
+ *  // createRoles...
  *  // removeRole...
  *  // removeRoles...
  *  // hasRole...
@@ -199,6 +203,7 @@ export interface HasManyCreateAssociationMixinOptions extends CreateOptions {}
  *  // addRoles...
  *  // addRole...
  *  createRole: Sequelize.HasManyCreateAssociationMixin<RoleAttributes>;
+ *  // createRoles...
  *  // removeRole...
  *  // removeRoles...
  *  // hasRole...
@@ -215,6 +220,44 @@ export type HasManyCreateAssociationMixin<TModel> = (
   options?: HasManyCreateAssociationMixinOptions
 ) => Promise<TModel>;
 
+
+/**
+ * The options for the createAssociations mixin of the hasMany association.
+ * @see HasManyCreateAssociationsMixin
+ */
+export interface HasManyCreateAssociationsMixinOptions extends CreateOptions {}
+
+/**
+ * The createAssociations mixin applied to models with hasMany.
+ * An example of usage is as follows:
+ *
+ * ```js
+ *
+ * User.hasMany(Role);
+ *
+ * interface UserInstance extends Sequelize.Instance<UserInstance, UserAttributes>, UserAttributes {
+ *  // getRoles...
+ *  // setRoles...
+ *  // addRoles...
+ *  // addRole...
+ *  // createRole...
+ *  createRoles: Sequelize.HasManyCreateAssociationsMixin<RoleAttributes[]>;
+ *  // removeRole...
+ *  // removeRoles...
+ *  // hasRole...
+ *  // hasRoles...
+ *  // countRoles...
+ * }
+ * ```
+ *
+ * @see https://sequelize.org/master/class/lib/associations/has-many.js~HasMany.html
+ * @see Instance
+ */
+export type HasManyCreateAssociationsMixin<TModel> = (
+  values?: { [attribute: string]: unknown }[],
+  options?: HasManyCreateAssociationsMixinOptions
+) => Promise<TModel[]>;
+
 /**
  * The options for the removeAssociation mixin of the hasMany association.
  * @see HasManyRemoveAssociationMixin
@@ -235,6 +278,7 @@ export interface HasManyRemoveAssociationMixinOptions extends InstanceUpdateOpti
  *  // addRoles...
  *  // addRole...
  *  // createRole...
+ *  // createRoles...
  *  removeRole: Sequelize.HasManyRemoveAssociationMixin<RoleInstance, RoleId>;
  *  // removeRoles...
  *  // hasRole...
@@ -271,6 +315,7 @@ export interface HasManyRemoveAssociationsMixinOptions extends InstanceUpdateOpt
  *  // addRoles...
  *  // addRole...
  *  // createRole...
+ *  // createRoles...
  *  // removeRole...
  *  removeRoles: Sequelize.HasManyRemoveAssociationsMixin<RoleInstance, RoleId>;
  *  // hasRole...
@@ -307,6 +352,7 @@ export interface HasManyHasAssociationMixinOptions extends HasManyGetAssociation
  *  // addRoles...
  *  // addRole...
  *  // createRole...
+ *  // createRoles...
  *  // removeRole...
  *  // removeRoles...
  *  hasRole: Sequelize.HasManyHasAssociationMixin<RoleInstance, RoleId>;
@@ -343,6 +389,7 @@ export interface HasManyHasAssociationsMixinOptions extends HasManyGetAssociatio
  *  // addRoles...
  *  // addRole...
  *  // createRole...
+ *  // createRoles...
  *  // removeRole...
  *  // removeRoles
  *  // hasRole...
@@ -384,6 +431,7 @@ export interface HasManyCountAssociationsMixinOptions extends Transactionable, F
  *  // addRoles...
  *  // addRole...
  *  // createRole...
+ *  // createRoles...
  *  // removeRole...
  *  // removeRoles...
  *  // hasRole...