@Override
    public Builder toBuilder() {
        return builder()
                .scheme(scheme)
                .type(type)
                .uri(uri)
                .customAuthType(customAuthType)
                .credentials(credentials)
                .identitySource(identitySource)
                .identityValidationExpression(identityValidationExpression)
                .resultTtlInSeconds(resultTtlInSeconds)
                .authorizerPayloadFormatVersion(authorizerPayloadFormatVersion)
                .enableSimpleResponses(enableSimpleResponses);
    }
Gets whether the authorizer returns simple responses.

@return Returns true if authorizer returns a boolean,
false if it returns an IAM policy.
smithy-aws-apigateway-traits/src/main/java/software/amazon/smithy/aws/apigateway/traits/AuthorizerDefinition.java