| Class | Description | 
|---|---|
| Alias | 
 An alias for an edge. | 
| AnnotationValue | 
 Value of a segment annotation. | 
| BackendConnectionErrors |  | 
| BatchGetTracesRequest | |
| BatchGetTracesResponse | |
| Edge | 
 Information about a connection between two services. | 
| EdgeStatistics | 
 Response statistics for an edge. | 
| ErrorStatistics | 
 Information about requests that failed with a 4xx Client Error status code. | 
| FaultStatistics | 
 Information about requests that failed with a 5xx Server Error status code. | 
| GetServiceGraphRequest | |
| GetServiceGraphResponse | |
| GetTraceGraphRequest | |
| GetTraceGraphResponse | |
| GetTraceSummariesRequest | |
| GetTraceSummariesResponse | |
| HistogramEntry | 
 An entry in a histogram for a statistic. | 
| Http | 
 Information about an HTTP request. | 
| PutTelemetryRecordsRequest | |
| PutTelemetryRecordsResponse | |
| PutTraceSegmentsRequest | |
| PutTraceSegmentsResponse | |
| Segment | 
 A segment from a trace that has been ingested by the X-Ray service. | 
| Service | 
 Information about an application that processed requests, users that made requests, or downstream services, resources
 and applications that an application used. | 
| ServiceId |  | 
| ServiceStatistics | 
 Response statistics for a service. | 
| TelemetryRecord |  | 
| Trace | 
 A collection of segment documents with matching trace IDs. | 
| TraceSummary | 
 Metadata generated from the segment documents in a trace. | 
| TraceUser | 
 Information about a user recorded in segment documents. | 
| UnprocessedTraceSegment | 
 Information about a segment that failed processing. | 
| ValueWithServiceIds | 
 Information about a segment annotation. | 
| XRayRequest | |
| XRayResponse | 
| Exception | Description | 
|---|---|
| InvalidRequestException | 
 The request is missing required parameters or has invalid parameters. | 
| ThrottledException | 
 The request exceeds the maximum number of requests per second. | 
| XRayException | 
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