Values:
INTERPRETER_UNSPECIFIED (0):
Invalid value, the request will return
validation error.
NONE (1):
If an interpreter is not specified, the source is executed
directly. This execution, without an interpreter, only
succeeds for executables and scripts that have shebang
lines.
SHELL (2):
Indicates that the script runs with /bin/sh on Linux and
cmd.exe on Windows.
POWERSHELL (3):
Indicates that the script runs with
PowerShell.