@SdkInternalApi
    final ListSchemaMappingsResult executeListSchemaMappings(ListSchemaMappingsRequest listSchemaMappingsRequest) {

        ExecutionContext executionContext = createExecutionContext(listSchemaMappingsRequest);
        AWSRequestMetrics awsRequestMetrics = executionContext.getAwsRequestMetrics();
        awsRequestMetrics.startEvent(Field.ClientExecuteTime);
        Request<ListSchemaMappingsRequest> request = null;
        Response<ListSchemaMappingsResult> response = null;

        try {
            awsRequestMetrics.startEvent(Field.RequestMarshallTime);
            try {
                request = new ListSchemaMappingsRequestProtocolMarshaller(protocolFactory).marshall(super.beforeMarshalling(listSchemaMappingsRequest));
                // Binds the request metrics to the current request.
                request.setAWSRequestMetrics(awsRequestMetrics);
                request.addHandlerContext(HandlerContextKey.CLIENT_ENDPOINT, endpoint);
                request.addHandlerContext(HandlerContextKey.ENDPOINT_OVERRIDDEN, isEndpointOverridden());
                request.addHandlerContext(HandlerContextKey.SIGNING_REGION, getSigningRegion());
                request.addHandlerContext(HandlerContextKey.SERVICE_ID, "EntityResolution");
                request.addHandlerContext(HandlerContextKey.OPERATION_NAME, "ListSchemaMappings");
                request.addHandlerContext(HandlerContextKey.ADVANCED_CONFIG, advancedConfig);

            } finally {
                awsRequestMetrics.endEvent(Field.RequestMarshallTime);
            }

            HttpResponseHandler<AmazonWebServiceResponse<ListSchemaMappingsResult>> responseHandler = protocolFactory.createResponseHandler(
                    new JsonOperationMetadata().withPayloadJson(true).withHasStreamingSuccessResponse(false), new ListSchemaMappingsResultJsonUnmarshaller());
            response = invoke(request, responseHandler, executionContext);

            return response.getAwsResponse();

        } finally {

            endClientExecution(awsRequestMetrics, request, response);
        }
    }
<p>
Returns a list of all the <code>SchemaMappings</code> that have been created for an Amazon Web Services account.
</p>

@param listSchemaMappingsRequest
@return Result of the ListSchemaMappings operation returned by the service.
@throws ThrottlingException
        The request was denied due to request throttling.
@throws InternalServerException
        This exception occurs when there is an internal failure in the Entity Resolution service.
@throws AccessDeniedException
        You do not have sufficient access to perform this action.
@throws ValidationException
        The input fails to satisfy the constraints specified by Entity Resolution.
@sample AWSEntityResolution.ListSchemaMappings
@see <a href="http://docs.aws.amazon.com/goto/WebAPI/entityresolution-2018-05-10/ListSchemaMappings"
     target="_top">AWS API Documentation</a>
aws-java-sdk-entityresolution/src/main/java/com/amazonaws/services/entityresolution/AWSEntityResolutionClient.java