chore: Fix codacy issues

src/main/java/com/yuriytkach/tracker/fundraiser/model/slack/SlackBlock.java

@@ -41,7 +41,7 @@ public SlackBlockBuilder section(final SlackText text) {
       return this;
     }
 
-    public SlackBlockBuilder section(List<SlackText> fields) {
+    public SlackBlockBuilder section(final List<SlackText> fields) {
       this.type = TYPE_SECTION;
       this.fields = fields;
       return this;

src/main/java/com/yuriytkach/tracker/fundraiser/model/slack/SlackImageBlock.java

@@ -1,5 +1,7 @@
 package com.yuriytkach.tracker.fundraiser.model.slack;
 
+import com.fasterxml.jackson.annotation.JsonProperty;
+
 import lombok.Data;
 
 @Data
@@ -12,9 +14,11 @@ public class SlackImageBlock implements Block {
 
   private final String type = TYPE_IMAGE;
 
-  private final String image_url;
+  @JsonProperty("image_url")
+  private final String imageUrl;
 
-  private final String alt_text;
+  @JsonProperty("alt_text")
+  private final String altText;
 
   private final SlackImageTitle title;
 

src/main/java/com/yuriytkach/tracker/fundraiser/model/slack/SlackText.java

@@ -30,20 +30,5 @@ public SlackTextBuilder markdownText(final String text) {
       this.text = text;
       return this;
     }
-
-    private SlackTextBuilder emoji(final Boolean emoji) {
-      this.emoji = emoji;
-      return this;
-    }
-
-    private SlackTextBuilder type(final String type) {
-      this.type = type;
-      return this;
-    }
-
-    private SlackTextBuilder text(final String text) {
-      this.text = text;
-      return this;
-    }
   }
 }

src/test/java/com/yuriytkach/tracker/fundraiser/integration/DynamoDbFundStorageClientTest.java

@@ -21,7 +21,7 @@
 @Slf4j
 @QuarkusTest
 @QuarkusTestResource(DynamoDbTestResource.class)
-public class DynamoDbFundStorageClientTest extends AbstractFundOperationsTestCommon {
+class DynamoDbFundStorageClientTest extends AbstractFundOperationsTestCommon {
 
   private static final String OTHER_ACCOUNT_ID = "some-other-account-id";