source.enableComments(true)
.enableLikes(true)
.enablePostsByOthers(true);
//or all at once
source.setParams(true, true, true);
ManagedSource managedSource = datasift.managedSource().create("My managed source", source).sync();
if (managedSource.isSuccessful()) {
//and now we can do filtering on this page e.g.
Stream stream = datasift
.compile(String.format("interaction.content contains \"news\" AND source.id == \"%s\"",
managedSource.getId())).sync();