An interface that represents a span. A span represents a single operation within a trace. Examples of span might include remote procedure calls or a in-process function calls to sub-components. A Trace has a single, top-level "root" Span that in turn may have zero or more child Spans, which in turn may have children.
Spans are created by the Tracer.startSpan method.
Adds an event to the Span.
the name of the event.
the attributes that will be added; these are associated with this event. Can be also a start time if type is TimeInput and 3rd param is undefined
start time of the event.
Marks the end of Span execution.
Call to End of a Span MUST not have any effects on child spans. Those may still be running and can be ended later.
Do not return
this. The Span generally should not be used after it
is ended so chaining is not desired in this context.
the time to set as Span's end time. If not provided, use the current time as the span's end time.
Returns the flag whether this span will be recorded.
true if this Span is active and recording information like events
AddEvent operation and attributes using
Sets an attribute to the span.
Sets a single Attribute with the key and value passed as arguments.
the key for this attribute.
the value for this attribute. Setting a value null or undefined is invalid and will result in undefined behavior.
Sets attributes to the span.
the attributes that will be added. null or undefined attribute values are invalid and will result in undefined behavior.
Updates the Span name.
This will override the name provided via Tracer.startSpan.
Upon this update, any sampling behavior based on Span name will depend on the implementation.
the Span name.
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