def add_consent_declined_message(request, enterprise_customer, item):
messages.warning(<EOL>request,<EOL>_(<EOL>'<STR_LIT>'<EOL>'<STR_LIT>'<EOL>'<STR_LIT>'<EOL>).format(<EOL>item=item,<EOL>em_start='<STR_LIT>',<EOL>em_end='<STR_LIT>',<EOL>enterprise_customer_name=enterprise_customer.name,<EOL>link_start='<STR_LIT>'.format(<EOL>support_link=get_configuration_value('<STR_LIT>', settings.ENTERPRISE_SUPPORT_URL),<EOL>),<EOL>platform_name=get_configuration_value('<STR_LIT>', settings.PLATFORM_NAME),<EOL>link_end='<STR_LIT>',<EOL>span_start='<STR_LIT>',<EOL>span_end='<STR_LIT>',<EOL>strong_start='<STR_LIT>',<EOL>strong_end='<STR_LIT>',<EOL>)<EOL>)<EOL>
Add a message to the Django messages store indicating that the user has declined data sharing consent.

Arguments:
    request (HttpRequest): The current request.
    enterprise_customer (EnterpriseCustomer): The EnterpriseCustomer associated with this request.
    item (str): A string containing information about the item for which consent was declined.