public ColumnMetadata withIsSigned(Boolean isSigned) {
        setIsSigned(isSigned);
        return this;
    }
<p>
A value that indicates whether an integer column is signed.
</p>

@param isSigned
       A value that indicates whether an integer column is signed.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-rdsdata/src/main/java/com/amazonaws/services/rdsdata/model/ColumnMetadata.java