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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def add_build_configuration_to_set( set_id=None, set_name=None, config_id=None, config_name=None):
 """ Add a build configuration to an existing BuildConfigurationSet """

    content = add_build_configuration_to_set_raw(set_id, set_name, config_id, config_name)
    if content:
        return utils.format_json(content)