import type { GraphQLEnumValue, GraphQLInputField } from 'graphql';
/**
 * Describes what a field of a filter input type (filter or flexSearchFilter) filters on
 *
 * Field names refer to the model fields of the type the filter input type is generated for.
 */
export type FilterFieldInfo = 
/**
 * Compares the value of a scalar or enum field, e.g. createdAt_gt
 */
{
    readonly kind: 'field';
    readonly fieldName: string;
    /**
     * The operator, e.g. "equal", "gt", "in" or "starts_with"
     */
    readonly operator: string;
    /**
     * Only for flexSearch: true if the field is a list, and the filter checks if any item matches
     */
    readonly aggregation?: boolean;
}
/**
 * Applies a nested filter on an object, reference or entity extension field, e.g. customer
 */
 | {
    readonly kind: 'object';
    readonly fieldName: string;
    /**
     * Only for flexSearch: true if the field is a list, and the filter checks if any item matches
     */
    readonly aggregation?: boolean;
}
/**
 * Applies a nested filter on the items of a list field, e.g. deliveries_some
 */
 | {
    readonly kind: 'quantifier';
    readonly fieldName: string;
    readonly quantifier: 'some' | 'every' | 'none';
}
/**
 * Checks if a list field is empty, e.g. deliveries_empty
 */
 | {
    readonly kind: 'empty';
    readonly fieldName: string;
}
/**
 * Only for flexSearch: applies a nested filter on the value of an I18nString field in a given
 * language, e.g. description_localized
 */
 | {
    readonly kind: 'localized';
    readonly fieldName: string;
}
/**
 * Compares the value that is filtered by the containing filter type itself, e.g. the items of a
 * list of strings (tags_some: { starts_with: "a" })
 */
 | {
    readonly kind: 'value';
    readonly operator: string;
}
/**
 * Compares the key or the value of a StringMap entry
 */
 | {
    readonly kind: 'stringMapEntry';
    readonly part: 'key' | 'value';
    readonly operator: string;
}
/**
 * Combines a list of filters of the containing filter type (AND or OR)
 */
 | {
    readonly kind: 'and' | 'or';
};
/**
 * Describes what a value of an orderBy enum sorts by
 */
export interface OrderByValueInfo {
    /**
     * The names of the model fields from the ordered type to the sorted value, e.g.
     * ['customer', 'name'] for customer_name_ASC
     */
    readonly fieldPath: ReadonlyArray<string>;
    readonly direction: 'ASCENDING' | 'DESCENDING';
}
export declare function createFilterFieldExtensions(info: FilterFieldInfo): {
    cruddl: {
        filterField: FilterFieldInfo;
    };
};
export declare function createOrderByValueExtensions(info: OrderByValueInfo): {
    cruddl: {
        orderByValue: OrderByValueInfo;
    };
};
/**
 * Gets what a field of a generated filter input type (filter or flexSearchFilter) filters on
 *
 * The information is only available on the schema objects created by cruddl. It is neither part of
 * the SDL nor of the introspection result.
 *
 * @return the filter field info, or undefined if the field is not a filter field generated by
 * cruddl, or does not filter on anything (e.g. the language field of a _localized filter)
 */
export declare function getFilterFieldInfo(field: GraphQLInputField): FilterFieldInfo | undefined;
/**
 * Gets what a value of a generated orderBy enum sorts by
 *
 * The information is only available on the schema objects created by cruddl. It is neither part of
 * the SDL nor of the introspection result.
 *
 * @return the info, or undefined if the value is not an orderBy value generated by cruddl
 */
export declare function getOrderByValueInfo(value: GraphQLEnumValue): OrderByValueInfo | undefined;