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DynamicBuffer_v1: Get a list of buffers that represents the input sequence.
const_buffers_type data() const;
            An object of type const_buffers_type
            that satisfies ConstBufferSequence requirements, representing the basic_string
            memory in the input sequence.
          
            The returned object is invalidated by any dynamic_string_buffer
            or basic_string member
            function that resizes or erases the string.