| CancelLease | 
 Clear the lease if it is currently held by the given instance 
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| GetLease | 
 Obtain a lease for this instance of the schema update tool. 
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| GetLeasePostgresql | 
 PostgreSQL variant of GetLease to avoid duplicate PK exception which would
 cause the transaction to fail. 
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| GetSchemaVersion | 
 Get the current schema version from the WHOLE_SCHEMA_VERSION table 
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| LeaseManager | 
 Manages acquisition and maintenance of the lease we need before we
 are allowed to perform any schema changes 
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| LeaseManagerConfig | 
 LeaseManagerConfig is the configuration for the fhir-persistence-schema's LeaseManager. 
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| LeaseManagerConfig.Builder | 
 Builder for fluent construction of LeaseManagerConfig 
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| SchemaVersionsManager | 
 Access layer for WHOLE_SCHEMA_VERSION data 
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| UpdateSchemaVersion | 
 Update the schema version recorded in the WHOLE_SCHEMA_VERSION table 
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| UpdateSchemaVersionPostgresql | 
 Update the schema version recorded in the WHOLE_SCHEMA_VERSION table
 Postgresql-specific to handle ON CONFLICT DO NOTHING 
 |