public __construct ([unknown $cancel])
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public __wakeup ()
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public awaitable ()
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public resolve ([unknown $value])
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public fail ([Throwable $error])
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public static value ([unknown $value])
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public static error (Throwable $error)
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public static combine (array $awaitables, unknown $continuation)
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public static transform (Phalcon\Async\Awaitable $awaitable, unknown $continuation)
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