public Optional<AuthorizerDefinition> getAuthorizer(String name) {
        return Optional.ofNullable(authorizers.get(name));
    }
Gets a specific authorizer by name.

@param name Name of the authorizer to get.
@return Returns the optionally found authorizer.
smithy-aws-apigateway-traits/src/main/java/software/amazon/smithy/aws/apigateway/traits/AuthorizersTrait.java