google-genai-kotlin/com.google.genai.kotlin.types/ClaudeFile/expiresAt

expiresAt

@Serializable(with = InstantSerializer::class)
val expiresAt: Instant? = null

Output only. The time at which the file expires and is deleted, set from the expires_in_seconds upload form field. Unset for files that do not expire, which is serialised as null.