find_package(<PackageName> [version] [EXACT] [QUIET] [MODULE]
  [REQUIRED|OPTIONAL] [[COMPONENTS] [components...]]
  [OPTIONAL_COMPONENTS components...]
  [REGISTRY_VIEW  (64|32|64_32|32_64|HOST|TARGET|BOTH)]
  [GLOBAL]
  [NO_POLICY_SCOPE]
  [BYPASS_PROVIDER]
)

aws/aws-sdk-cpp cmake/AWSSDKConfig.cmake :310

find_package(${TARGET} REQUIRED)