签名
DURATION = 'duration'
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最后更新时间 (UTC)：2024-09-20。
[null,null,["最后更新时间 (UTC)：2024-09-20。"],[[["The code snippet defines a constant variable named `DURATION` and assigns it the string value 'duration'."],["This constant is likely used as a key or identifier within a larger codebase, possibly for accessing or manipulating data related to durations."]]],["The provided content defines a single constant: `DURATION`. It assigns the string value 'duration' to this constant. This suggests a key-value or configuration-style approach where the term \"duration\" is likely used as an identifier or key within a larger system or data structure. No actions beyond this assignment are explicitly mentioned.\n"]]