public Gnss withAssistPosition(Float... assistPosition) {
        if (this.assistPosition == null) {
            setAssistPosition(new java.util.ArrayList<Float>(assistPosition.length));
        }
        for (Float ele : assistPosition) {
            this.assistPosition.add(ele);
        }
        return this;
    }
<p>
Optional assistance position information, specified using latitude and longitude values in degrees. The
coordinates are inside the WGS84 reference frame.
</p>
<p>
<b>NOTE:</b> This method appends the values to the existing list (if any). Use
{@link #setAssistPosition(java.util.Collection)} or {@link #withAssistPosition(java.util.Collection)} if you want
to override the existing values.
</p>

@param assistPosition
       Optional assistance position information, specified using latitude and longitude values in degrees. The
       coordinates are inside the WGS84 reference frame.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-iotwireless/src/main/java/com/amazonaws/services/iotwireless/model/Gnss.java