code: public XsdSchema getSchema(List<XsdSchema> schemas, Document doc) {
          XsdSchema schema = null;
          
          for (XsdSchemaMappingStrategy strategy : strategies) {
              schema = strategy.getSchema(schemas, doc);
              
              if (schema != null) {
                  return schema;
              }
          }
          
          return schema;
      }
docs: {@inheritDoc}