text entities must be valid returned entities must be resplit and fixed

Download downloads the attachment from the given protobuf message. The attachment is a specific part of a Message protobuf struct, not the message it

End returns the end index of the range.

SendMessage sends the given message. This method will wait for the server to acknowledge the message before returning. The return value is the timest

Allocates a new attribute from the pool, and optionally assigns name and value to it. If the allocation request cannot be accomodated, this function w

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