public String getVisualId() {
        return this.visualId;
    }
<p>
The unique identifier of a visual. This identifier must be unique within the context of a dashboard, template, or
analysis. Two dashboards, analyses, or templates can have visuals with the same identifiers.
</p>

@return The unique identifier of a visual. This identifier must be unique within the context of a dashboard,
        template, or analysis. Two dashboards, analyses, or templates can have visuals with the same identifiers.
aws-java-sdk-quicksight/src/main/java/com/amazonaws/services/quicksight/model/HeatMapVisual.java