zeppelin-interpreter/src/main/java/org/apache/zeppelin/util/IdHashes.java
zeppelin-zengine/src/main/java/org/apache/zeppelin/notebook/utility/IdHashes.java

zeppelin-interpreter/src/main/java/org/apache/zeppelin/display/GUI.java
zeppelin-zengine/src/main/java/org/apache/zeppelin/notebook/Note.java

zeppelin-interpreter/src/main/java/org/apache/zeppelin/display/Input.java
zeppelin-zengine/src/main/java/org/apache/zeppelin/notebook/Note.java

zeppelin-interpreter/src/main/java/org/apache/zeppelin/display/Input.java
zeppelin-zengine/src/main/java/org/apache/zeppelin/notebook/Paragraph.java

zeppelin-interpreter/src/main/java/org/apache/zeppelin/display/GUI.java
zeppelin-zengine/src/main/java/org/apache/zeppelin/notebook/Paragraph.java