extensions/merge-conflict/src/mergeDecorator.ts/MergeDecorator/applyDecorationsFromEvent
class MergeDecorator:	private applyDecorationsFromEvent(eventDocument: vscode.TextDocument) {
		for (const editor of vscode.window.visibleTextEditors) {
			if (editor.document === eventDocument) {
				// Attempt to apply
				this.applyDecorations(editor);
			}
		}
	}