src/vs/workbench/contrib/debug/common/debugModel.ts/Breakpoint/update
class Breakpoint:	update(data: IBreakpointUpdateData): void {
		if (!isUndefinedOrNull(data.lineNumber)) {
			this._lineNumber = data.lineNumber;
		}
		if (!isUndefinedOrNull(data.column)) {
			this._column = data.column;
		}
		if (!isUndefinedOrNull(data.condition)) {
			this.condition = data.condition;
		}
		if (!isUndefinedOrNull(data.hitCondition)) {
			this.hitCondition = data.hitCondition;
		}
		if (!isUndefinedOrNull(data.logMessage)) {
			this.logMessage = data.logMessage;
		}
	}