FromString gets individual value for each item in Header struct.

NotSampled indicates the current segment has not been sampled.

ParentPrefix is the prefix for Parent attribute in X-Amzn-Trace-Id.

Requested indicates sampling decision will be made by the downstream service and propagated back upstream in the response.

RootPrefix is the prefix for Root attribute in X-Amzn-Trace-Id.

Sampled indicates the current segment has been sampled and will be sent to the X-Ray daemon.

SampledPrefix is the prefix for Sampled attribute in X-Amzn-Trace-Id.

SelfPrefix is the prefix for Self attribute in X-Amzn-Trace-Id.

Unknown indicates no sampling decision will be made.

Header is the value of X-Amzn-Trace-Id.

SamplingDecision is a string representation of whether or not the current segment has been sampled.