public Builder inlineOutputSuffix(String inlineOutputSuffix) {
            this.inlineOutputSuffix = inlineOutputSuffix;
            return this;
        }
Defines what suffixes are checked on operation output shapes to determine whether
inline syntax should be used.

<p>This will also set the "operationOutputSuffix" control statement.

@param inlineOutputSuffix The suffix to use for inline operation output.
@return Returns the builder.
smithy-model/src/main/java/software/amazon/smithy/model/shapes/SmithyIdlModelSerializer.java