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- import { TraceState } from './trace_state';
- /**
- * A SpanContext represents the portion of a {@link Span} which must be
- * serialized and propagated along side of a {@link Baggage}.
- */
- export interface SpanContext {
- /**
- * The ID of the trace that this span belongs to. It is worldwide unique
- * with practically sufficient probability by being made as 16 randomly
- * generated bytes, encoded as a 32 lowercase hex characters corresponding to
- * 128 bits.
- */
- traceId: string;
- /**
- * The ID of the Span. It is globally unique with practically sufficient
- * probability by being made as 8 randomly generated bytes, encoded as a 16
- * lowercase hex characters corresponding to 64 bits.
- */
- spanId: string;
- /**
- * Only true if the SpanContext was propagated from a remote parent.
- */
- isRemote?: boolean;
- /**
- * Trace flags to propagate.
- *
- * It is represented as 1 byte (bitmap). Bit to represent whether trace is
- * sampled or not. When set, the least significant bit documents that the
- * caller may have recorded trace data. A caller who does not record trace
- * data out-of-band leaves this flag unset.
- *
- * see {@link TraceFlags} for valid flag values.
- */
- traceFlags: number;
- /**
- * Tracing-system-specific info to propagate.
- *
- * The tracestate field value is a `list` as defined below. The `list` is a
- * series of `list-members` separated by commas `,`, and a list-member is a
- * key/value pair separated by an equals sign `=`. Spaces and horizontal tabs
- * surrounding `list-members` are ignored. There can be a maximum of 32
- * `list-members` in a `list`.
- * More Info: https://www.w3.org/TR/trace-context/#tracestate-field
- *
- * Examples:
- * Single tracing system (generic format):
- * tracestate: rojo=00f067aa0ba902b7
- * Multiple tracing systems (with different formatting):
- * tracestate: rojo=00f067aa0ba902b7,congo=t61rcWkgMzE
- */
- traceState?: TraceState;
- }
- //# sourceMappingURL=span_context.d.ts.map
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