public SchemaBuilder version(Integer version) {
        checkCanSet(VERSION_FIELD, this.version, version);
        this.version = version;
        return this;
    }
Set the version of this schema. Schema versions are integers which, if provided, must indicate which schema is
newer and which is older by their ordering.
@param version the schema version
@return the SchemaBuilder
connect/api/src/main/java/org/apache/kafka/connect/data/SchemaBuilder.java