public void setIsModifiable(Boolean isModifiable) {
        this.isModifiable = isModifiable;
    }
<p>
If <code>true</code>, the parameter can be modified. Some parameters have security or operational implications
that prevent them from being changed.
</p>

@param isModifiable
       If <code>true</code>, the parameter can be modified. Some parameters have security or operational
       implications that prevent them from being changed.
aws-java-sdk-redshift/src/main/java/com/amazonaws/services/redshift/model/Parameter.java