find_path (
  <VAR>
  name | NAMES name1 [name2 ...]
  [HINTS [path | ENV var]...]
  [PATHS [path | ENV var]...]
  [REGISTRY_VIEW (64|32|64_32|32_64|HOST|TARGET|BOTH)]
  [PATH_SUFFIXES suffix1 [suffix2 ...]]
  [VALIDATOR function]
  [DOC "cache documentation string"]
  [NO_CACHE]
  [REQUIRED|OPTIONAL]
  [NO_DEFAULT_PATH]
  [NO_PACKAGE_ROOT_PATH]
  [NO_CMAKE_PATH]
  [NO_CMAKE_ENVIRONMENT_PATH]
  [NO_SYSTEM_ENVIRONMENT_PATH]
  [NO_CMAKE_SYSTEM_PATH]
  [NO_CMAKE_INSTALL_PREFIX]
  [CMAKE_FIND_ROOT_PATH_BOTH |
  ONLY_CMAKE_FIND_ROOT_PATH |
  NO_CMAKE_FIND_ROOT_PATH]
)

shawwn/noh CMakeLists.txt :331

find_path(${VAR}
    ${header}
    PATH_SUFFIXES ${ARGN}
    PATHS "${ROOT}" ENV ${ROOT} REQUIRED)

ClickHouse/ClickHouse contrib/google-cloud-cpp-cmake/cmake/CompileProtos.cmake :429

find_path(${VAR} google/protobuf/descriptor.proto)

joachimBurket/esp32-opencv cmake/OpenCVFindMKL.cmake :17

find_path(${VAR} ${NAME} ${DIRS} NO_DEFAULT_PATH)