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Background:
When interacting with APIs, the Content-Length header is commonly used to indicate the size of the response data in bytes. However, there are cases where servers opt for chunked transfer encoding, especially when sending a stream of data of unknown or potentially large size. Chunked transfer encoding allows servers to send data in smaller, self-contained "chunks," eliminating the need for specifying a Content-Length in the response header.

Problem:
The absence of the Content-Length header in responses using chunked transfer encoding can lead to challenges for clients trying to determine the size of the response data beforehand. Since the Content-Length value is not provided, the "Body" size is shown as "-1" in the absence of a definite content size.