typia/lib/programmers/functional/internal/FunctionalGeneralProgrammer.d.ts

Superfast runtime validators with only one line

import ts from "typescript";
export declare namespace FunctionalGeneralProgrammer {
    interface IOutput {
        type: ts.Type;
        async: boolean;
    }
    const getReturnType: (checker: ts.TypeChecker) => (declaration: ts.FunctionDeclaration | ts.SignatureDeclaration) => IOutput;
}