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src/main/java/com/alibaba/qlexpress4/runtime/QRuntime.java

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+package com.alibaba.qlexpress4.runtime;
+
+import com.alibaba.qlexpress4.runtime.trace.QTraces;
+
+import java.util.Map;
+
+/**
+ * Author: DQinYuan
+ */
+public interface QRuntime {
+    
+    /**
+     * get script start time
+     * @return start time
+     */
+    long scriptStartTimeStamp();
+    
+    Map<String, Object> attachment();
+    
+    ReflectLoader getReflectLoader();
+    
+    QTraces getTraces();
+}