import type { CreateReactOutputResult, ServerRenderResult, RenderFunctionResult, RenderStateHtml } from './types/index.ts';
export declare function isServerRenderHash(testValue: CreateReactOutputResult | RenderFunctionResult): testValue is ServerRenderResult;
export declare function isPromise<T>(testValue: CreateReactOutputResult | RenderFunctionResult | Promise<T> | RenderStateHtml | string | null): testValue is Promise<T>;
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