no constructor :(

gistfile1.md

@interface MBBlob : NSObject

@property (nonatomic, readonly) NSNumber *numberValue;

@property (nonatomic, readonly) NSString *stringValue;

@end

public final class Blob {


    /*package*/ final Double mNumberValue;

    /*package*/ final String mStringValue;

    public Blob(
            Double numberValue,
            String stringValue) {
        this.mNumberValue = numberValue;
        this.mStringValue = stringValue;
    }

    public Double getNumberValue() {
        return mNumberValue;
    }

    public String getStringValue() {
        return mStringValue;
    }
}