/**
 * @public
 * @enum
 */
export declare const CustomActionAttachmentCriteriaOperator: {
    readonly EQUALS: "EQUALS";
    readonly HAS_VALUE: "HAS_VALUE";
};
/**
 * @public
 */
export type CustomActionAttachmentCriteriaOperator = (typeof CustomActionAttachmentCriteriaOperator)[keyof typeof CustomActionAttachmentCriteriaOperator];