public static Callable<T> <T>attemptMetricsCallable(Callable<T> callable, DatastoreMetricsRecorder metricsRecorder, String methodName, String databaseId)

Wraps a callable with logic to record attempt-level metrics. Attempt metrics are recorded for each individual execution of the callable, regardless of whether it succeeds or fails.

Metrics are recorded for both transport types (gRPC and HTTP).

Parameters
Name	Description
`callable`	`Callable<T>` The original callable to execute.
`metricsRecorder`	`DatastoreMetricsRecorder` The metrics recorder.
`methodName`	`String` The name of the API method.
`databaseId`	`String`

Returns
Type	Description
`Callable<T>`	A wrapped callable that includes attempt-level metrics recording.

buildMetricAttributes(String methodName, String status, String databaseId)

public static Map<String,String> buildMetricAttributes(String methodName, String status, String databaseId)

Method to build a map of attributes to be used across both operation and attempt level metrics.

Parameters
Name	Description
`methodName`	`String` The name of the API method.
`status`	`String` The status of the operation or attempt.
`databaseId`	`String`

Returns
Type	Description
`Map<String,String>`	The map of attributes.

recordOperationMetrics(DatastoreMetricsRecorder metricsRecorder, Stopwatch operationStopwatch, String methodName, String status, String databaseId)

public static void recordOperationMetrics(DatastoreMetricsRecorder metricsRecorder, Stopwatch operationStopwatch, String methodName, String status, String databaseId)

Records operation-level metrics. This method should be called after the entire operation across all retry attempts has completed.

Metrics are recorded for both transport types (gRPC and HTTP).

Parameters
Name	Description
`metricsRecorder`	`DatastoreMetricsRecorder` The metrics recorder.
`operationStopwatch`	`com.google.common.base.Stopwatch` The stopwatch tracking the duration of the entire operation.
`methodName`	`String` The name of the API method.
`status`	`String` The final status of the operation after all retries.
`databaseId`	`String`