/**
 * https://swagger.io/docs/specification/v3_0/data-models/data-types/#strings
 */
export type StringFormat = "date" | "date-time" | "email" | "uuid" | "uri" | "ipv4" | "ipv6";
/**
 * Get the format of a string
 * https://swagger.io/docs/specification/v3_0/data-models/data-types/#strings
 */
export declare function getStringFormat(str: string): StringFormat | undefined;