class OutputChange extends AbstractChange {

    private String message;
    private String target;

    @Override
    public ValidationErrors validate(Database database) {
        ValidationErrors validate = super.validate(database);
        validate.checkRequiredField("message", getMessage());
        return validate;
    }

    @DatabaseChangeProperty(description = "Message to send to output", exampleValue = "Make sure you feed the cat", serializationType = LiquibaseSerializable.SerializationType.DIRECT_VALUE)
    public String getMessage() {
        return message;
    }

    public void setMessage(String message) {
        this.message = StringUtil.trimToNull(message);
    }

    @DatabaseChangeProperty(description = "Target for message. Possible values: STDOUT, STDERR, FATAL, WARN, INFO, DEBUG. Default: STDERR",
        exampleValue = "STDERR")
    public String getTarget() {
        if (target == null) {
            return "STDERR";
        }
        return target;
    }

    public void setTarget(String target) {
        this.target = StringUtil.trimToNull(target);
    }


    @Override
    public SqlStatement[] generateStatements(Database database) {<FILL_FUNCTION_BODY>}

    @Override
    public String getConfirmationMessage() {
        return "Output: "+getMessage();
    }

    @Override
    public String getSerializedObjectNamespace() {
        return STANDARD_CHANGELOG_NAMESPACE;
    }

    @Override
    public Object getSerializableFieldValue(String field) {
        Object value = super.getSerializableFieldValue(field);
        if ("target".equals(field) && "".equals(value)) {
            return null;
        }
        return value;
    }

    @Override
    protected Change[] createInverses() {
        return EMPTY_CHANGE;
    }
}

        return new SqlStatement[] { new RuntimeStatement() {
            @Override
            public Sql[] generate(Database database) {
                String target = getTarget();
                if ("STDOUT".equalsIgnoreCase(target)) {
                    System.out.println(getMessage());
                } else if ("STDERR".equalsIgnoreCase(target)) {
                    System.err.println(getMessage());
                } else if ("DEBUG".equalsIgnoreCase(target)) {
                    Scope.getCurrentScope().getLog(getClass()).fine(getMessage());
                } else if ("INFO".equalsIgnoreCase(target)) {
                    Scope.getCurrentScope().getLog(getClass()).info(getMessage());
                } else if ("WARN".equalsIgnoreCase(target) || "WARNING".equalsIgnoreCase(target)) {
                    Scope.getCurrentScope().getLog(getClass()).warning(getMessage());
                } else if ("SEVERE".equalsIgnoreCase(target) || "FATAL".equalsIgnoreCase(target) || "ERROR"
                    .equalsIgnoreCase(target)) {
                    Scope.getCurrentScope().getLog(getClass()).severe(getMessage());
                } else {
                    throw new UnexpectedLiquibaseException("Unknown target: "+target);
                }
                return null;
            }
        }};
    
<methods>public void <init>() ,public liquibase.change.ChangeStatus checkStatus(liquibase.database.Database) ,public liquibase.change.ChangeMetaData createChangeMetaData() ,public boolean equals(java.lang.Object) ,public void finishInitialization() throws liquibase.exception.SetupException,public liquibase.change.CheckSum generateCheckSum() ,public liquibase.statement.SqlStatement[] generateRollbackStatements(liquibase.database.Database) throws liquibase.exception.RollbackImpossibleException,public boolean generateRollbackStatementsVolatile(liquibase.database.Database) ,public boolean generateStatementsVolatile(liquibase.database.Database) ,public Set<liquibase.structure.DatabaseObject> getAffectedDatabaseObjects(liquibase.database.Database) ,public liquibase.changelog.ChangeSet getChangeSet() ,public java.lang.String getDescription() ,public java.lang.String[] getExcludedFieldFilters(liquibase.ChecksumVersion) ,public liquibase.resource.ResourceAccessor getResourceAccessor() ,public java.lang.String getSerializableFieldNamespace(java.lang.String) ,public liquibase.serializer.LiquibaseSerializable.SerializationType getSerializableFieldType(java.lang.String) ,public java.lang.Object getSerializableFieldValue(java.lang.String) ,public Set<java.lang.String> getSerializableFields() ,public java.lang.String getSerializedObjectName() ,public java.lang.String getSerializedObjectNamespace() ,public int hashCode() ,public void load(liquibase.parser.core.ParsedNode, liquibase.resource.ResourceAccessor) throws liquibase.parser.core.ParsedNodeException,public void modify(liquibase.change.visitor.ChangeVisitor) throws liquibase.parser.core.ParsedNodeException,public liquibase.parser.core.ParsedNode serialize() throws liquibase.parser.core.ParsedNodeException,public void setChangeSet(liquibase.changelog.ChangeSet) ,public void setResourceAccessor(liquibase.resource.ResourceAccessor) ,public boolean shouldExecuteChange(liquibase.database.Database) ,public boolean supports(liquibase.database.Database) ,public boolean supportsRollback(liquibase.database.Database) ,public java.lang.String toString() ,public liquibase.exception.ValidationErrors validate(liquibase.database.Database) ,public liquibase.exception.Warnings warn(liquibase.database.Database) <variables>private static final java.util.regex.Pattern ALPHABET,protected static final java.lang.String NODENAME_COLUMN,private liquibase.changelog.ChangeSet changeSet