src/vs/workbench/contrib/debug/browser/breakpointEditorContribution.ts/InlineBreakpointWidget/getPosition
class InlineBreakpointWidget:	getPosition(): IContentWidgetPosition | null {
		if (!this.range) {
			return null;
		}
		// Workaround: since the content widget can not be placed before the first column we need to force the left position
		this.domNode.classList.toggle('line-start', this.range.startColumn === 1);

		return {
			position: { lineNumber: this.range.startLineNumber, column: this.range.startColumn - 1 },
			preference: [ContentWidgetPositionPreference.EXACT]
		};
	}