export declare const supportsRequestStreams: boolean; export declare const supportsAbortController: boolean; export declare const supportsResponseStreams: boolean; export declare const supportsFormData: boolean; export declare const requestMethods: readonly ["get", "post", "put", "patch", "head", "delete"]; export declare const responseTypes: { readonly json: "application/json"; readonly text: "text/*"; readonly formData: "multipart/form-data"; readonly arrayBuffer: "*/*"; readonly blob: "*/*"; }; export declare const maxSafeTimeout = 2147483647; export declare const stop: unique symbol;