public void setWidth(Double width) {
        this.width = width;
    }
See the description in leftOffset. For width, specify the entire width of the rectangle as a percentage of the
underlying frame width. For example, \"80\" means the rectangle width is 80% of the underlying frame width. The
leftOffset and rectangleWidth must add up to 100% or less. This field corresponds to tts:extent - X in the TTML
standard.

@param width
       See the description in leftOffset. For width, specify the entire width of the rectangle as a percentage of
       the underlying frame width. For example, \"80\" means the rectangle width is 80% of the underlying frame
       width. The leftOffset and rectangleWidth must add up to 100% or less. This field corresponds to tts:extent
       - X in the TTML standard.
aws-java-sdk-medialive/src/main/java/com/amazonaws/services/medialive/model/CaptionRectangle.java