Format: &envoy_core.SubstitutionFormatString_TextFormatSource{
								TextFormatSource: &envoy_core.DataSource{
									Specifier: &envoy_core.DataSource_InlineString{
										InlineString: createAccessLogFormat(listenerName),
									},
								},
							},
						},
					},
				}),
			},
		},
	}
}