def METHOD_NAME(metadataNode):
    toSanitize = ""
    if "serviceId" in metadataNode.keys():
        toSanitize = metadataNode["serviceId"]
    clientName = pascalCase(toSanitize)
    clientName =  removeLeading(clientName, "Amazon")
    clientName =  removeLeading(clientName, "Aws")
    clientName = removeTrailing(clientName, "Service" )
    return clientName