code: public Configuration.Schema getBuildSchema() {
  		Configuration.Schema[] schemas = new Configuration.Schema[buildPlatforms.size() + 1];
  		schemas[0] = LOCAL_CONFIG_SCHEMA;
  		for (int i = 0; i != buildPlatforms.size(); ++i) {
  			wybs.lang.Build.Platform platform = buildPlatforms.get(i);
  			schemas[i + 1] = platform.getConfigurationSchema();
  		}
  		return Configuration.toCombinedSchema(schemas);
  	}
docs: Get the appropriate configuration schema for a project. This defines what
  keys are permitted.
  
  @return