improved code quality and tested with test data

src/main/java/com/billpaymentservice/bbps/dto/BillerDTO.java

@@ -2,6 +2,7 @@ package com.billpaymentservice.bbps.dto;
 
 import java.util.List;
 
+import com.billpaymentservice.bbps.entites.AdditionalInfoBillValidate;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 
 import jakarta.validation.constraints.NotBlank;
@@ -102,7 +103,7 @@ public class BillerDTO {
     private BillerResponseParamsDTO billerResponseParams;
 
     private List<AdditionalInfoDTO> billerAdditionalInfos;
-    private List<AdditionalInfoDTO> billerAdditionalInfoPayments;
+    private List<BillerAdditonalInfoDTO> billerAdditionalInfoPayments;
 
     private List<InterchangeFeeConfDTO> interchangeFeeConves;
     private List<InterchangeFeeDTO> interchangeFees;

src/main/java/com/billpaymentservice/bbps/dto/response/FetchBillValidateResponse.java

@@ -19,7 +19,6 @@ import lombok.ToString;
 @NoArgsConstructor
 @ToString
 public class FetchBillValidateResponse {
-
 	@JsonProperty(access = JsonProperty.Access.WRITE_ONLY)
 	private GeneralResp genericResponse;
 	private String billId;