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6.51.0.0
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http4k
http4k-core
/
org.http4k.lens
/
RequestContextKey
/
optional
optional
fun
<
T
>
optional
(
store
:
Store
<
RequestContext
>
,
name
:
String
=
UUID.randomUUID().toString()
)
:
BiDiLens
<
Request
,
T
?
>
(
source
)