opt raise
        dep -->> handler: Raise HTTPException
        handler -->> client: HTTP error response
        dep -->> dep: Raise other exception
    end
    dep ->> operation: Run dependency, e.g. DB session
    opt raise
        operation -->> dep: Raise HTTPException
        dep -->> handler: Auto forward exception
        handler -->> client: HTTP error response
        operation -->> dep: Raise other exception

pkg database/sql, func Open(string, string) (*DB, error)
pkg database/sql, func Register(string, driver.Driver)
pkg database/sql, method (*DB) Begin() (*Tx, error)
pkg database/sql, method (*DB) Close() error
pkg database/sql, method (*DB) Driver() driver.Driver
pkg database/sql, method (*DB) Exec(string, ...interface{}) (Result, error)
pkg database/sql, method (*DB) Prepare(string) (*Stmt, error)

33C6          ; mapped                 ; 0063 2215 006B 0067 #1.1 SQUARE C OVER KG
33C7          ; disallowed                             # 1.1  SQUARE CO
33C8          ; mapped                 ; 0064 0062     # 1.1  SQUARE DB
33C9          ; mapped                 ; 0067 0079     # 1.1  SQUARE GY
33CA          ; mapped                 ; 0068 0061     # 1.1  SQUARE HA
33CB          ; mapped                 ; 0068 0070     # 1.1  SQUARE HP

pkg crypto/x509, type SystemRootsError struct
pkg crypto/x509, type VerifyOptions struct, KeyUsages []ExtKeyUsage
pkg crypto/x509, var IncorrectPasswordError error
pkg database/sql, method (*DB) Ping() error
pkg database/sql, method (*DB) SetMaxIdleConns(int)
pkg database/sql/driver, type Queryer interface { Query }
pkg database/sql/driver, type Queryer interface, Query(string, []Value) (Rows, error)

pkg crypto/x509, type Certificate struct, ExtraExtensions []pkix.Extension
pkg crypto/x509, type Certificate struct, IssuingCertificateURL []string
pkg crypto/x509, type Certificate struct, OCSPServer []string
pkg database/sql, method (*DB) SetMaxOpenConns(int)
pkg encoding, type BinaryMarshaler interface { MarshalBinary }
pkg encoding, type BinaryMarshaler interface, MarshalBinary() ([]uint8, error)
pkg encoding, type BinaryUnmarshaler interface { UnmarshalBinary }