### SUMMARY
```
  sha256sum:
    description:
      - If a SHA-256 checksum is passed to this parameter, the digest of the
        destination file will be calculated after it is downloaded to ensure
        its integrity and verify that the transfer completed successfully.
        This option is deprecated. Use C(checksum) instead.
```

There is no `module.deprecate` either for `sha256sum`.

the argument has been declared deprecated in commit b3b11fbce26 (2017)

##### ISSUE TYPE
- Bug Report

##### COMPONENT NAME
get_url

* ansible version: 2.10

version_added: '1.8'
  headers:
    description:
        - Add custom HTTP headers to a request in hash/dict format.
        - The hash/dict format was added in Ansible 2.6.
        - Previous versions used a C("key:value,key:value") string format.
        - The C("key:value,key:value") string format is deprecated and will be removed in version 2.10.
    type: raw
    version_added: '2.0'
  url_username:
    description:
      - The username for use in HTTP basic authentication.
      - This parameter can be used without C(url_password) for sites that allow empty passwords.
      - Since version 2.8 you can also use the C(username) alias for this option.
    type: str
    aliases: ['username']
    version_added: '1.6'
  url_password:
    description:
        - The password for use in HTTP basic authentication.
        - If the C(url_username) parameter is not specified, the C(url_password) parameter will not be used.
        - Since version 2.8 you can also use the 'password' alias for this option.
    type: str
    aliases: ['password']
    version_added: '1.6'
  force_basic_auth:
    description:
      - Force the sending of the Basic authentication header upon initial request.
      - httplib2, the library used by the uri module only sends authentication information when a webservice
        responds to an initial request with a 401 status. Since some basic auth services do not properly