Resolved conficts

src/main/java/net/gepafin/tendermanagement/enums/ProtocolTypeEnum.java

@@ -0,0 +1,24 @@
+package net.gepafin.tendermanagement.enums;
+
+import com.fasterxml.jackson.annotation.JsonValue;
+
+public enum ProtocolTypeEnum {
+    INPUT("INPUT"),
+    OUTPUT("OUTPUT");
+
+    private String value;
+
+    ProtocolTypeEnum(String value) {
+        this.value = value;
+    }
+
+    @JsonValue
+    public String getValue() {
+        return value;
+    }
+
+    @Override
+    public String toString() {
+        return String.valueOf(value);
+    }
+}