import { QueryParam } from './client';
/**
 * Represents a mapping of field names to their corresponding properties in a type `T`.
 * The keys of the mapping are strings, and the values can be either keys of `T` or nested `FieldMap` objects.
 *
 * @template T
 * The type for which the field mapping is defined
 */
export interface FieldMap<T> {
    [key: string]: keyof T | FieldMap<T[keyof T]>;
}
/**
 * Converts an object with query parameters to a URLSearchParams object.
 *
 * @template T
 * The type of the input object, which must extend `Record<string, QueryParam>`
 * @param {T} obj
 * The object with query parameters to convert
 * @returns {URLSearchParams} An URLSearchParams object containing the converted query parameters
 */
export declare const searchParamsFromObj: <T extends Record<string, QueryParam>>(obj: T) => URLSearchParams;
/**
 * Converts keys in object to lowercase
 *
 * @param data
 * The source object to convert
 * @returns A new object with all keys converted to lowercase
 */
export declare const convertKeysToLowerCase: (data: any) => any;
/**
 * Applies the {@link FieldMap} to an object, transforming its properties based on the specified mapping.
 *
 * @template R
 * The type of the resulting mapped object
 * @param dataR
 * The source object to be mapped
 * @param mappingR
 * The mapping that defines how properties should be transformed
 * @returns The resulting object with properties transformed based on the mapping
 */
export declare const mapObjectFields: <R extends unknown>(data: any, mapping: FieldMap<R>) => R;
//# sourceMappingURL=utils.d.ts.map