default <O> @NonNull ParserDescriptor<C, O> mapSuccess(
            final @NonNull Class<O> mappedType,
            final @NonNull BiFunction<CommandContext<C>, T, CompletableFuture<O>> mapper
    ) {
        return parserDescriptor(this.parser().mapSuccess(mapper), mappedType);
    }
Create a descriptor for a {@link ArgumentParser#mapSuccess(BiFunction) mapped} parser.

@param mappedType mapped parser result type
@param mapper     mapper
@param <O>        mapped parser result type
@return mapped parser descriptor
cloud-core/src/main/java/org/incendo/cloud/parser/ParserDescriptor.java