How to use the graphql-mapping-template.parens function in graphql-mapping-template

qref(`$${variableToCheck}.put("${ownerAttribute}", $identityValue)`),
                            set(ref(variableToSet), raw('true'))
                        ])
                    )
                )
            } else {
                // If the owner field is a list and the user does not
                // provide a list of values for the owner, set the list with
                // the owner as the sole member.
                ownershipAuthorizationExpressions.push(
                    // If the owner is not provided set it automatically.
                    // If the user explicitly provides null this will be false and we leave it null.
                    iff(
                        and([
                            raw(`$util.isNull($${allowedOwnersVariable})`),
                            parens(raw(`! $${variableToCheck}.containsKey("${ownerAttribute}")`)),
                        ]),
                        compoundExpression([
                            qref(`$${variableToCheck}.put("${ownerAttribute}", ["$identityValue"])`),
                            set(ref(variableToSet), raw('true'))
                        ])
                    )
                )
            }
            ruleNumber++
        }
        return compoundExpression([
            set(ref(variableToSet), raw(`false`)),
            ...ownershipAuthorizationExpressions,
        ]);
    }

public appendItemIfLocallyAuthorized(): Expression {
        return iff(
            parens(
                or([
                    equals(ref(ResourceConstants.SNIPPETS.IsLocalDynamicGroupAuthorizedVariable), raw('true')),
                    equals(ref(ResourceConstants.SNIPPETS.IsLocalOwnerAuthorizedVariable), raw('true'))
                ])
            ), qref('$items.add($item)')
        )
    }

public throwIfNotStaticGroupAuthorizedOrAuthConditionIsEmpty(): Expression {
        const ifUnauthThrow = iff(
            not(parens(
                or([
                    equals(ref(ResourceConstants.SNIPPETS.IsStaticGroupAuthorizedVariable), raw('true')),
                    parens(raw('$authCondition && $authCondition.expression != ""'))
                ])
            )), raw('$util.unauthorized()')
        )
        return block('Throw if unauthorized', [
            ifUnauthThrow,
        ])
    }

public throwIfSubscriptionUnauthorized(): Expression {
    const ifUnauthThrow = iff(
      not(
        parens(
          or([
            equals(ref(ResourceConstants.SNIPPETS.IsStaticGroupAuthorizedVariable), raw('true')),
            equals(ref(ResourceConstants.SNIPPETS.IsOwnerAuthorizedVariable), raw('true')),
          ])
        )
      ),
      raw('$util.unauthorized()')
    );
    return block('Throw if unauthorized', [ifUnauthThrow]);
  }

public throwIfUnauthorized(): Expression {
        const ifUnauthThrow = iff(
            not(parens(
                or([
                    equals(ref(ResourceConstants.SNIPPETS.IsStaticGroupAuthorizedVariable), raw('true')),
                    equals(ref(ResourceConstants.SNIPPETS.IsDynamicGroupAuthorizedVariable), raw('true')),
                    equals(ref(ResourceConstants.SNIPPETS.IsOwnerAuthorizedVariable), raw('true'))
                ])
            )), raw('$util.unauthorized()')
        )
        return block('Throw if unauthorized', [
            ifUnauthThrow,
        ])
    }

public throwIfNotStaticGroupAuthorizedOrAuthConditionIsEmpty(): Expression {
        const ifUnauthThrow = iff(
            not(parens(
                or([
                    equals(ref(ResourceConstants.SNIPPETS.IsStaticGroupAuthorizedVariable), raw('true')),
                    parens(raw('$authCondition && $authCondition.expression != ""'))
                ])
            )), raw('$util.unauthorized()')
        )
        return block('Throw if unauthorized', [
            ifUnauthThrow,
        ])
    }