import { Options } from './options.js';
export type OmitUndefinedRecursive<T> = T extends object ? {
    [K in keyof T]-?: OmitUndefinedRecursive<T[K]>;
} : T;
export type FlattenTypePossibilities<T extends object, Prefix extends string = ''> = keyof T extends string ? {
    [K in keyof T]: T[K] extends object ? FlattenTypePossibilities<T[K], `${Prefix}${K}_`> : {
        [P in `${Prefix}${K}`]: T[K];
    };
}[keyof T] : never;
type UnionToType<U extends Record<string, unknown>> = {
    [K in U extends unknown ? keyof U : never]: U extends unknown ? (K extends keyof U ? U[K] : never) : never;
};
export type FlattenOptions = UnionToType<FlattenTypePossibilities<OmitUndefinedRecursive<Options>>>;
export {};
//# sourceMappingURL=flatten.d.ts.map