fix: refactor to have child classes that inherit from RecordValue, but represent the distinct types of value objects that can be returned by the api. fix: added and updated tests to address this refactor

src/models/AttachmentListRecordValue.ts

@@ -0,0 +1,18 @@
+import { RecordValueType } from '../enums/RecordValueType';
+import { type Attachment } from './Attachment';
+import { RecordValue } from './RecordValue';
+
+/**
+ * @class AttachmentListRecordValue - A record value represented by a list of attachments.
+ */
+export class AttachmentListRecordValue extends RecordValue<Attachment[]> {
+  /**
+   * @constructor - Creates a new instance of AttachmentListRecordValue.
+   * @param {number} fieldId - The id of the field.
+   * @param {Attachment[]} value - The value of the field.
+   * @returns {AttachmentListRecordValue} - A new instance of AttachmentListRecordValue.
+   */
+  constructor(fieldId: number, value: Attachment[]) {
+    super(RecordValueType.AttachmentList, fieldId, value);
+  }
+}