public Builder removeRequestTemplate(String mimeType) {
            requestTemplates.remove(mimeType);
            return this;
        }
Removes a request template by MIME type.

@param mimeType MIME type to remove.
@return Returns the builder.
smithy-aws-apigateway-traits/src/main/java/software/amazon/smithy/aws/apigateway/traits/MockIntegrationTrait.java