src/org/apache/pig/impl/plan/DotPlanDumper.java
src/org/apache/pig/newplan/DotPlanDumper.java

src/org/apache/pig/impl/logicalLayer/schema/Schema.java
src/org/apache/pig/newplan/logical/relational/LogicalSchema.java

src/org/apache/pig/impl/plan/PlanDumper.java
src/org/apache/pig/newplan/PlanDumper.java

src/org/apache/pig/newplan/logical/relational/LONative.java
src/org/apache/pig/impl/util/UDFContext.java