Create interfaces

client/src/main/java/io/split/storages/pluggable/CustomStorageWrapper.java

@@ -0,0 +1,29 @@
+package io.split.storages.pluggable;
+
+import java.util.List;
+
+public interface CustomStorageWrapper {
+    // key-value operations
+    String get(String key);
+    String getMany(List<String> keys);
+    void set(String key, String item);
+    void delete(List<String> keys);
+    String getByPrefix(String prefix);
+    String getAndSet(String key, String item);
+    String getKeysByPrefix(String prefix);
+
+    // integer operations
+    void increment(String key, long value);
+    void decrement(String key, long value);
+
+    // queue operations
+    void pushItems(String key, String items);
+    String popItems(String key, long count);
+    long getItemsCount(String key);
+
+    // set operations
+    boolean itemContains(String key, String item);
+    void addItems(String key, String items);
+    void removeItems(String key, String items);
+    String getItems(String key);
+}