Refactor for query plan capture with initial threshold micros

src/main/java/io/ebeaninternal/api/QueryPlanManager.java

@@ -0,0 +1,14 @@
+package io.ebeaninternal.api;
+
+/**
+ * Manage query plan capture.
+ */
+public interface QueryPlanManager {
+
+  QueryPlanManager NOOP = new NoopQueryPlanManager();
+
+  /**
+   * Create the bind capture for the given query plan.
+   */
+  SpiQueryBindCapture createBindCapture(SpiQueryPlan queryPlan);
+}