clustering/common/src/main/java/org/jboss/as/clustering/controller/Operations.java
public static boolean isIncludeDefaults(ModelNode operation) {
        return operation.hasDefined(ModelDescriptionConstants.INCLUDE_DEFAULTS) ? operation.get(ModelDescriptionConstants.INCLUDE_DEFAULTS).asBoolean() : true;
    }
public static boolean isIncludeDefaults(ModelNode operation) {
        return operation.hasDefined(ModelDescriptionConstants.INCLUDE_DEFAULTS) ? operation.get(ModelDescriptionConstants.INCLUDE_DEFAULTS).asBoolean() : true;
    }
Indicates whether or not this operation expects to include default values.
@param operation an operation
@return true, if default values are expected, false otherwise.