import { SchemaLike } from '../schema-runtime.js';
export interface MediaTypeEncoder {
    encode<T>(value: T, type?: SchemaLike<T>): BodyInit;
}
export interface URLQueryParamsEncoder extends MediaTypeEncoder {
    encodeQueryString(value: Record<string, unknown>): string;
}
export declare function isURLQueryParamsEncoder(encoder: MediaTypeEncoder | URLQueryParamsEncoder | undefined): encoder is URLQueryParamsEncoder;
export interface StructuredMediaTypeEncoder extends MediaTypeEncoder {
    encodeObject<T>(value: T, type?: SchemaLike<T>): Record<string, unknown>;
}
export declare function isStructuredMediaTypeEncoder(encoder: MediaTypeEncoder | StructuredMediaTypeEncoder | undefined): encoder is StructuredMediaTypeEncoder;