type HttpHeaders<THeaders extends string = string> = {
    accept?: string;
    'accept-language'?: string;
    'accept-patch'?: string;
    'accept-ranges'?: string;
    'access-control-allow-credentials'?: string;
    'access-control-allow-headers'?: string;
    'access-control-allow-methods'?: string;
    'access-control-allow-origin'?: string;
    'access-control-expose-headers'?: string;
    'access-control-max-age'?: string;
    'access-control-request-headers'?: string;
    'access-control-request-method'?: string;
    age?: string;
    allow?: string;
    'alt-svc'?: string;
    authorization?: string;
    'cache-control'?: string;
    connection?: string;
    'content-disposition'?: string;
    'content-encoding'?: string;
    'content-language'?: string;
    'content-length'?: string;
    'content-location'?: string;
    'content-range'?: string;
    'content-type'?: 'text/html' | 'application/json' | 'application/octet-stream' | `${THeaders}` | THeaders;
    cookie?: string;
    date?: string;
    etag?: string;
    expect?: string;
    expires?: string;
    forwarded?: string;
    from?: string;
    host?: string;
    'if-match'?: string;
    'if-modified-since'?: string;
    'if-none-match'?: string;
    'if-unmodified-since'?: string;
    'last-modified'?: string;
    location?: string;
    origin?: string;
    pragma?: string;
    'proxy-authenticate'?: string;
    'proxy-authorization'?: string;
    'public-key-pins'?: string;
    range?: string;
    referer?: string;
    'retry-after'?: string;
    'sec-websocket-accept'?: string;
    'sec-websocket-extensions'?: string;
    'sec-websocket-key'?: string;
    'sec-websocket-protocol'?: string;
    'sec-websocket-version'?: string;
    'set-cookie'?: string[];
    'strict-transport-security'?: string;
    tk?: string;
    trailer?: string;
    'transfer-encoding'?: string;
    upgrade?: string;
    'user-agent'?: string;
    vary?: string;
    via?: string;
    warning?: string;
    'www-authenticate'?: string;
    'x-powered-by'?: string;
};
type ContentTypeValues = NonNullable<HttpHeaders['content-type']>;
export type ContentType<T extends string = string> = ContentTypeValues | `${T}` | T;
export type HttpHeaderName<T extends string = string, THeaders extends string = string> = `${keyof HttpHeaders<THeaders>}` | `${T}` | T;
export type HttpHeaderValue<T, THeaders extends string> = T extends keyof HttpHeaders ? HttpHeaders<THeaders>[T] : `${THeaders}` | THeaders | string;
export {};