import type * as Square from "../index";
/**
 * A custom attribute value. Each custom attribute value has a corresponding
 * `CustomAttributeDefinition` object.
 */
export interface CustomAttribute {
    /**
     * The identifier
     * of the custom attribute definition and its corresponding custom attributes. This value
     * can be a simple key, which is the key that is provided when the custom attribute definition
     * is created, or a qualified key, if the requesting
     * application is not the definition owner. The qualified key consists of the application ID
     * of the custom attribute definition owner
     * followed by the simple key that was provided when the definition was created. It has the
     * format application_id:simple key.
     *
     * The value for a simple key can contain up to 60 alphanumeric characters, periods (.),
     * underscores (_), and hyphens (-).
     */
    key?: string | null;
    /**
     * The value assigned to the custom attribute. It is validated against the custom
     * attribute definition's schema on write operations. For more information about custom
     * attribute values,
     * see [Custom Attributes Overview](https://developer.squareup.com/docs/devtools/customattributes/overview).
     */
    value?: unknown | null;
    /**
     * Read only. The current version of the custom attribute. This field is incremented when the custom attribute is changed.
     * When updating an existing custom attribute value, you can provide this field
     * and specify the current version of the custom attribute to enable
     * [optimistic concurrency](https://developer.squareup.com/docs/build-basics/common-api-patterns/optimistic-concurrency).
     * This field can also be used to enforce strong consistency for reads. For more information about strong consistency for reads,
     * see [Custom Attributes Overview](https://developer.squareup.com/docs/devtools/customattributes/overview).
     */
    version?: number;
    /**
     * A copy of the `visibility` field value for the associated custom attribute definition.
     * See [CustomAttributeDefinitionVisibility](#type-customattributedefinitionvisibility) for possible values
     */
    visibility?: Square.CustomAttributeDefinitionVisibility;
    /**
     * A copy of the associated custom attribute definition object. This field is only set when
     * the optional field is specified on the request.
     */
    definition?: Square.CustomAttributeDefinition;
    /**
     * The timestamp that indicates when the custom attribute was created or was most recently
     * updated, in RFC 3339 format.
     */
    updatedAt?: string;
    /** The timestamp that indicates when the custom attribute was created, in RFC 3339 format. */
    createdAt?: string;
}