src/vs/workbench/contrib/bulkEdit/browser/bulkTextEdits.ts/ModelEditTask/validate
class ModelEditTask:	validate(): ValidationResult {
		if (typeof this._expectedModelVersionId === 'undefined' || this.model.getVersionId() === this._expectedModelVersionId) {
			return { canApply: true };
		}
		return { canApply: false, reason: this.model.uri };
	}