@Override
    public boolean equals(final Object o) {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }
        final QueryHelpFunctionSignature that = (QueryHelpFunctionSignature) o;
        return Objects.equals(name, that.name)
                && Objects.equals(aliases, that.aliases)
                && Objects.equals(categoryPath, that.categoryPath)
                && Objects.equals(args, that.args)
                && returnType == that.returnType
                && Objects.equals(returnDescription, that.returnDescription)
                && Objects.equals(description, that.description)
                && Objects.equals(overloadType, that.overloadType);
    }
@return True if this function signature is overloaded within its category
stroom-core-shared/src/main/java/stroom/query/shared/QueryHelpFunctionSignature.java