@JsonIgnore
    public boolean useParameterAsRoot() {
        return useParameterAsRoot;
    }
Tells whether the {@link #parameters()} is used as the root when creating
<a href="https://json-schema.org/">JSON schema</a>. The size of the {@link #parameters()} must be one
if this returns {@code true}.
core/src/main/java/com/linecorp/armeria/server/docs/MethodInfo.java