How to use the vott-ct/lib/js/CanvasTools/Interface/ISelectorSettings.SelectionMode.NONE function in vott-ct

// Handles when the canvas is enabled & disabled
        if (prevState.enabled !== this.state.enabled) {
            // When the canvas is ready to display
            if (this.state.enabled) {
                this.refreshCanvasToolsRegions();
                this.setContentSource(this.state.contentSource);
                this.editor.AS.setSelectionMode(this.props.selectionMode);
                this.editor.AS.enable();

                if (this.props.onSelectedRegionsChanged) {
                    this.props.onSelectedRegionsChanged(this.getSelectedRegions());
                }
            } else { // When the canvas has been disabled
                this.editor.AS.disable();
                this.clearAllRegions();
                this.editor.AS.setSelectionMode(SelectionMode.NONE);
            }
        }
    }

project: IProject;
    lockedTags: string[];
    children?: ReactElement;
    onAssetMetadataChanged?: (assetMetadata: IAssetMetadata) => void;
    onSelectedRegionsChanged?: (regions: IRegion[]) => void;
}

export interface ICanvasState {
    currentAsset: IAssetMetadata;
    contentSource: ContentSource;
    enabled: boolean;
}

export default class Canvas extends React.Component {
    public static defaultProps: ICanvasProps = {
        selectionMode: SelectionMode.NONE,
        editorMode: EditorMode.Select,
        selectedAsset: null,
        project: null,
        lockedTags: [],
    };

    public editor: Editor;

    public state: ICanvasState = {
        currentAsset: this.props.selectedAsset,
        contentSource: null,
        enabled: false,
    };

    private canvasZone: React.RefObject = React.createRef();
    private clearConfirm: React.RefObject = React.createRef();

break;
            case ToolbarItemName.DrawPolygon:
                this.setState({
                    selectionMode: SelectionMode.POLYGON,
                    editorMode: EditorMode.Polygon,
                });
                break;
            case ToolbarItemName.CopyRectangle:
                this.setState({
                    selectionMode: SelectionMode.COPYRECT,
                    editorMode: EditorMode.CopyRect,
                });
                break;
            case ToolbarItemName.SelectCanvas:
                this.setState({
                    selectionMode: SelectionMode.NONE,
                    editorMode: EditorMode.Select,
                });
                break;
            case ToolbarItemName.PreviousAsset:
                await this.goToRootAsset(-1);
                break;
            case ToolbarItemName.NextAsset:
                await this.goToRootAsset(1);
                break;
            case ToolbarItemName.CopyRegions:
                this.canvas.current.copyRegions();
                break;
            case ToolbarItemName.CutRegions:
                this.canvas.current.cutRegions();
                break;
            case ToolbarItemName.PasteRegions: