jodd-proxetta/src/main/java/jodd/asm7/Type.java
public static String getMethodDescriptor(final Type returnType, final Type... argumentTypes) {
    StringBuilder stringBuilder = new StringBuilder();
    stringBuilder.append('(');
    for (Type argumentType : argumentTypes) {
      argumentType.appendDescriptor(stringBuilder);
    }
    stringBuilder.append(')');
    returnType.appendDescriptor(stringBuilder);
    return stringBuilder.toString();
  }
public static String getMethodDescriptor(final Type returnType, final Type... argumentTypes) {
    StringBuilder stringBuilder = new StringBuilder();
    stringBuilder.append('(');
    for (Type argumentType : argumentTypes) {
      argumentType.appendDescriptor(stringBuilder);
    }
    stringBuilder.append(')');
    returnType.appendDescriptor(stringBuilder);
    return stringBuilder.toString();
  }
Returns the descriptor corresponding to the given argument and return types.

@param returnType the return type of the method.
@param argumentTypes the argument types of the method.
@return the descriptor corresponding to the given argument and return types.