package org.aksw.sparqlify.core.algorithms;


/*
public class ColumnRenamer {

	public Expr renameColumnReferences(Expr expr, Map<String, String> map) {
		Expr result = MultiMethod.invokeStatic(ColumnRenamer.class, "_copySubstitute", );
	}
	
	


	public renameColumnReferences(SqlExpr expr, Map<String, String> map) {
		
	}

}
*/
