Completion only for propTypes on function or class (see images in first comment)

App.tsx

import React from "react";
import ComponentA from "my-type-declarations/ComponentA";
import ComponentB from "my-type-declarations/ComponentB";
import ComponentC from "my-type-declarations/ComponentC";
import ComponentD from "my-type-declarations/ComponentD";
import ComponentE from "my-type-declarations/ComponentE";
import ComponentF from "my-type-declarations/ComponentF";

const App = () => {
  return (
    <div>
      <ComponentA />
      <ComponentB />
      <ComponentC />
      <ComponentD />
      <ComponentE />
      <ComponentF />
    </div>
  )
};

my-type-declarations.d.ts

/**
 * Note that this isn't actually valid TypeScript, but WebStorm picks up the propTypes anyways so it is useful for demonstration.
 * my-type-declarations.d.ts(27,3): error TS1036: Statements are not allowed in ambient contexts.
 * my-type-declarations.d.ts(27,14): error TS2339: Property 'propTypes' does not exist on type '(props: any) => ReactElement<any>'.
 * my-type-declarations.d.ts(52,3): error TS1036: Statements are not allowed in ambient contexts.
 * my-type-declarations.d.ts(65,3): error TS1036: Statements are not allowed in ambient contexts.
 * my-type-declarations.d.ts(65,14): error TS2339: Property 'propTypes' does not exist on type 'typeof ComponentE'.
 */
declare module "my-type-declarations/ComponentA" {
  import * as React from "react";

  export interface ComponentAProps {
    propA: string;
  }

  const ComponentA: React.ComponentType<ComponentAProps>;

  export default ComponentA;
}

declare module "my-type-declarations/ComponentB" {
  import * as React from "react";
  import * as PropTypes from "prop-types";

  function ComponentB(props: any): React.ReactElement<any> | null;

  ComponentB.propTypes = {
    propB: PropTypes.string.isRequired,
  };

  export default ComponentB;
}

declare module "my-type-declarations/ComponentC" {
  import * as React from "react";

  export interface ComponentCProps {
    propC: string;
  }

  function ComponentC(props: ComponentCProps): React.ReactElement<any> | null;

  export default ComponentC;
}

declare module "my-type-declarations/ComponentD" {
  import * as React from "react";
  import * as PropTypes from "prop-types";

  const ComponentD: React.ComponentType<any>;

  ComponentD.propTypes = {
    propD: PropTypes.string.isRequired,
  };

  export default ComponentD;
}

declare module "my-type-declarations/ComponentE" {
  import * as React from "react";
  import * as PropTypes from "prop-types";

  class ComponentE extends React.Component {}

  ComponentE.propTypes = {
    propE: PropTypes.string.isRequired,
  };

  export default ComponentE;
}

declare module "my-type-declarations/ComponentF" {
  import * as React from "react";

  export interface ComponentFProps {
    propF: string;
  }

  class ComponentF extends React.Component<ComponentFProps> {}

  export default ComponentF;
}

IntelliJ IDEA 2018.1.2 (Ultimate Edition)
Build #IU-181.4668.68, built on April 24, 2018
JRE: 1.8.0_152-release-1136-b29 x86_64
JVM: OpenJDK 64-Bit Server VM by JetBrains s.r.o
macOS 10.13.4