react-performance-testing/dist/src/utils/isForwardRefComponent.d.ts

You can test React(ReactNative) runtime performance by using this lib. If you want to check the number of renders, or render time in a test environment, this lib makes sense.

/// <reference types="react" />
import { ReactSymbol } from './symbols';
export declare const isForwardRefComponent: (Component: React.ElementType<React.ComponentClass | React.FunctionComponent> & {
    $$typeof: ReactSymbol;
}) => Component is import("react").ForwardRefExoticComponent<any> & {
    render: React.ForwardRefRenderFunction<any>;
};
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