util/src/main/java/io/github/huherto/springyRecords/DtoRowMapper.java
public void setMappedClass(Class<T> mappedClass) {
        if (this.mappedClass == null) {
            initialize(mappedClass);
        }
        else {
            if (!this.mappedClass.equals(mappedClass)) {
                throw new InvalidDataAccessApiUsageException("The mapped class can not be reassigned to map to " +
                        mappedClass + " since it is already providing mapping for " + this.mappedClass);
            }
        }
    }
public void setMappedClass(Class<T> mappedClass) {
        if (this.mappedClass == null) {
            initialize(mappedClass);
        }
        else {
            if (!this.mappedClass.equals(mappedClass)) {
                throw new InvalidDataAccessApiUsageException("The mapped class can not be reassigned to map to " +
                        mappedClass + " since it is already providing mapping for " + this.mappedClass);
            }
        }
    }
Set the class that each row should be mapped to.