anchor.diff:  This xml snippet allows you to define a schema identified by its id, located at the given classpath.
   Please keep in mind, that the id of the schema has to be unique within the context.
   
  +[[schema-references]]
   ==== Schema references
   [source,xml]
   ----
  
positive.code: by just defining some rules in XML configuration or Java DSL. Let's start with this chapter by introducing some basic
  concepts of the schema validation.
  
  === Managing schemas
  Most complex applications have a lot of schemas that are relevant for different use cases. To organize these schemas
  in your test cases, Citrus brings you some structuring capabilities.
  
  ==== Schema definitions
  [source,xml]
  ----
  
negative.code: lots of schema files. Therefore, Citrus offers you schema location patterns which will import all matching schema files
  within the given location.
  
  [[schema-repositories]]
  ==== Schema repositories
  [source,xml]
  ----
  