Type of "append_metrics" is partially unknown   Type of "append_metrics" is "(metrics: Unknown, labels: Unknown) -> None" (reportUnknownMemberType)

Type of "dcs" is partially unknown   Type of "dcs" is "AbstractDCS | Unknown" (reportUnknownMemberType)

Type of "manual_failover" is partially unknown   Type of "manual_failover" is "((leader: str | None, candidate: str | None, scheduled_at: datetime | None = None, target_site: str | None = None, version: Any | None = None) -> bool) | Unknown" (reportUnknownMemberType)

Cannot access attribute "dcs" for class "SingleSiteController"   Attribute "dcs" is unknown (reportAttributeAccessIssue)

Argument missing for parameter "leader" (reportCallIssue)

"get" is not a known attribute of "None" (reportOptionalMemberAccess)

Argument of type "Any | list[str] | str | None" cannot be assigned to parameter "replica_methods" of type "List[str] | None" in function "can_create_replica_without_replication_connection"   Type "Any | list[str] | str | None" is not assignable to type "List[str] | None"     Type "str" is not assignable to type "List[str] | None"       "str" is not assignable to "List[str]"       "str" is not assignable to "None" (reportArgumentType)

Object of type "None" is not subscriptable (reportOptionalSubscript)

"get" is not a known attribute of "None" (reportOptionalMemberAccess)

Type of "on_shutdown" is partially unknown   Type of "on_shutdown" is "(checkpoint_location: Unknown) -> None" (reportUnknownMemberType)