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The Chain of Responsibility design pattern is a behavioral pattern that allows a request to be passed along a chain of handlers.

落叶聚还散，寒鸦栖复惊。

A generic example would be you ordering food at a restaurant.

噫吁嚱，危乎高哉！

respective channels.

金樽清酒斗十千，玉盘珍羞直万钱。

君不见黄河之水天上来，奔流到海不复回。

Given an array of `points` where `points[i] = [xi, yi]` represents a point on the **X-Y** plane, return the maximum number of points that lie on the same straight line.

僵卧孤村不自哀，尚思为国戍轮台。