Optional:

-`expiration_policy` (Block Set, Max: 1) Configuration block that defines TTL (time-to-live) behavior for prebuilds. Use this to automatically invalidate and delete prebuilds after a certain period, ensuring they stay up-to-date. (see[below for nested schema](#nestedblock--prebuilds--expiration_policy))

-`autoscaling` (Block Set, Max: 1) Configuration block that defines autoscaling behavior for prebuilds. Use this to automatically adjust the number of prebuild instances based on a schedule. (see[below for nested schema](#nestedblock--prebuilds--autoscaling))

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Required:

-`ttl` (Number) Time in seconds after which an unclaimed prebuild is considered expired and eligible for cleanup.

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Required:

-`timezone` (String) The timezone to use for the autoscaling schedule (e.g., "UTC", "America/New_York").

-`schedule` (Block Set, Min: 1) One or more schedule blocks that define when to scale the number of prebuild instances. (see[below for nested schema](#nestedblock--prebuilds--autoscaling--schedule))

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Required:

-`cron` (String) A cron expression that defines when this schedule should be active. The cron expression must be in the format "* HOUR * * DAY-OF-WEEK" where HOUR is 0-23 and DAY-OF-WEEK is 0-6 (Sunday-Saturday) or 1-7 (Monday-Sunday). The minute, day-of-month, and month fields must be "*".

-`instances` (Number) The number of prebuild instances to maintain during this schedule period.