/**
 * null is not a valid filter prop
 * Use negative filter "!" combined with wildcard filter "*" to define a filter for the absence of a value
 * ex: an order list call with { xp: { hasPaid: '!*' } } would return a list of orders where xp.hasPaid is null or undefined
 * https://ordercloud.io/features/advanced-querying#filtering
 */
declare type FilterProp = string | string[] | boolean | undefined;
declare type Primitive = string | boolean | number;
/**
 * Used on list calls to filter a list of items
 * https://ordercloud.io/features/advanced-querying#filtering
 */
export declare type Filters<T> = T extends object ? {
    -readonly [prop in keyof T]?: Filters<T[prop]>;
} : T extends Primitive ? FilterProp : any;
export {};