/**
 * Transport mock schemas via HTTP headers.
 */
import { MockSchema } from '../protocol';
import { HeadersLike } from './utils';
type Maybe<T> = T | undefined;
export type GetHeaders = () => Maybe<HeadersLike> | Promise<Maybe<HeadersLike>>;
export declare function buildMockHeaders(mockSchemas: MockSchema[]): {
    "x-mock-request": string;
};
export declare function extractMockSchemas(getHeaders: GetHeaders): Promise<MockSchema[] | undefined>;
export {};
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