Added unused query parameter to tables endpoint

Author: ctmay4

src/main/java/com/imsweb/seerapi/client/staging/StagingService.java

@@ -114,6 +114,17 @@ public interface StagingService {
     @GET("staging/{algorithm}/{version}/tables")
     Call<List<StagingTable>> tables(@Path("algorithm") String algorithm, @Path("version") String version, @Query("q") String query);
 
+    /**
+     * Return a list of matching tables
+     * @param algorithm an algorithm identifier
+     * @param version a version
+     * @param query an optional text query
+     * @param unusedOnly if true, limit to unused tables
+     * @return a list of staging tables
+     */
+    @GET("staging/{algorithm}/{version}/tables")
+    Call<List<StagingTable>> tables(@Path("algorithm") String algorithm, @Path("version") String version, @Query("q") String query, @Query("unused") Boolean unusedOnly);
+
     /**
      * Return a single table definition by table identifier
      * @param algorithm an algorithm identifier

src/test/java/com/imsweb/seerapi/client/staging/StagingTest.java

@@ -117,7 +117,11 @@ public void testSchemaInvolvedTables() throws IOException {
     @Test
     public void testListTables() throws IOException {
         List<StagingTable> tables = _STAGING.tables(_ALGORITHM, _VERSION, "ssf1").execute().body();
+        assertThat(tables).isNotEmpty();
 
+        tables = _STAGING.tables(_ALGORITHM, _VERSION, null, true).execute().body();
+        assertThat(tables).isEmpty();
+        tables = _STAGING.tables(_ALGORITHM, _VERSION, null, false).execute().body();
         assertThat(tables).isNotEmpty();
     }