NewConsistencyCheck creates a new consistency check reflecting the provided values.

ParseStage parses a MigrationStage from a string, or returns an error if the stage is unrecognized.

Complete - migration is done.

Concurrent executes both reads in separate go routines, and waits until both calls have finished before proceeding.

DualWrite - write to both "old" and "new", "old" is authoritative for reads.

Live - both "new" and "old" versions run with a preference for "new".

New represents the technology source we are migrating towards.

Off - migration hasn't started, "old" is authoritative for reads and writes.

Old represents the technology source we are migrating away from.

RampDown - only read from "new", write to "old" and "new".

Random execution randomly decides if the authoritative read should execute first or second.

Read denotes a read-related migration operation.

Serial execution ensures the authoritative read will always complete execution before executing the non-authoritative read.

Shadow - both "new" and "old" versions run with a preference for "old".

Write denotes a write-related migration operation.

ConsistencyCheck records the results of a consistency check and the ratio at which the check was sampled.

ExecutionOrder represents the various execution modes this SDK can operate under while performing migration-assisted reads.

Operation represents a type of migration operation; namely, read or write.

Origin represents the source of origin for a migration-related operation.

Stage denotes one of six possible stages a technology migration could be a part of, progressing through the following order.