export interface AbortControllerEsque {
    new (): AbortControllerInstanceEsque;
}
/**
 * Allows you to abort one or more requests.
 */
export interface AbortControllerInstanceEsque {
    /**
     * The AbortSignal object associated with this object.
     */
    readonly signal: AbortSignal;
    /**
     * Sets this object's AbortSignal's aborted flag and signals to
     * any observers that the associated activity is to be aborted.
     */
    abort(): void;
}
/**
 * A subset of the standard fetch function type needed by tRPC internally.
 * @see fetch from lib.dom.d.ts
 * @remarks
 * If you need a property that you know exists but doesn't exist on this
 * interface, go ahead and add it.
 */
export declare type FetchEsque = (input: RequestInfo | URL | string, init?: RequestInit | RequestInitEsque) => Promise<ResponseEsque>;
/**
 * A simpler version of the native fetch function's type for packages with
 * their own fetch types, such as undici and node-fetch.
 */
export declare type NativeFetchEsque = (url: string | URL, init?: NodeFetchRequestInitEsque) => Promise<ResponseEsque>;
export interface NodeFetchRequestInitEsque {
    body?: string;
}
/**
 * A subset of the standard Headers properties needed by tRPC internally.
 * @see Headers from lib.dom.d.ts
 * @remarks
 * If you need a property that you know exists but doesn't exist on this
 * interface, go ahead and add it.
 */
export interface HeadersEsque {
    append(name: string, value: string): void;
    delete(name: string): void;
    get(name: string): string | null;
    has(name: string): boolean;
    set(name: string, value: string): void;
    forEach(callbackfn: (value: string, key: string) => void, thisArg?: any): void;
}
export declare type ResponseType = 'basic' | 'cors' | 'default' | 'error' | 'opaque' | 'opaqueredirect';
/**
 * A subset of the standard RequestInit properties needed by tRPC internally.
 * @see RequestInit from lib.dom.d.ts
 * @remarks
 * If you need a property that you know exists but doesn't exist on this
 * interface, go ahead and add it.
 */
export interface RequestInitEsque {
    /**
     * Sets the request's body.
     */
    body?: string | ReadableStream | null;
    /**
     * Sets the request's associated headers.
     */
    headers?: [string, string][] | Record<string, string>;
    /**
     * The request's HTTP-style method.
     */
    method?: string;
    /**
     * Sets the request's signal.
     */
    signal?: AbortSignal | null;
}
/**
 * A subset of the standard Response properties needed by tRPC internally.
 * @see Response from lib.dom.d.ts
 * @remarks
 * If you need a property that you know exists but doesn't exist on this
 * interface, go ahead and add it.
 */
export interface ResponseEsque {
    readonly headers: HeadersEsque;
    readonly ok: boolean;
    readonly redirected: boolean;
    readonly status: number;
    readonly statusText: string;
    readonly type: ResponseType;
    readonly url: string;
    clone(): ResponseEsque;
    /**
     * @remarks
     * The built-in Response::json() method returns Promise<any>, but
     * that's not as type-safe as unknown. We use unknown because we're
     * more type-safe. You do want more type safety, right? 😉
     */
    json(): Promise<unknown>;
}
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