export type Assert<T extends true> = T;
export type Equal<X, Y> = (<T>() => T extends X ? 1 : 2) extends <T>() => T extends Y ? 1 : 2 ? true : false;
export type FunctionContext<T> = T extends (this: infer U, ...args: any[]) => any ? U : unknown;
export declare function drain(stream: ReadableStream<Uint8Array>): Promise<string>;
export declare function readChunks(stream: ReadableStream<Uint8Array>): AsyncGenerator<string, string, string>;
export declare function withResolvers<T = void>(): readonly [Promise<T>, (value: T | PromiseLike<T>) => void];
export declare function waitForMutations(target: Node, work?: () => void): Promise<unknown>;
export declare function waitFor(target: Node, predicate: () => boolean, work?: () => void): Promise<void>;
export declare function observeMutations(target: Node): {
    consume(): MutationRecord[];
};
export declare function findCommentMarkers(container: Node, id: string): [Comment, Comment];
export declare function simulateBrowserDocument(container: HTMLElement, stream: ReadableStream<Uint8Array>): {
    nextChunk: () => Promise<{
        done: boolean;
        value: undefined;
    } | {
        done: boolean;
        value?: undefined;
    }>;
    releaseLock: () => void;
};
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