public BuildParameterBuilder projectionSourceTags(String projectionSourceTags) {
        return projectionSourceTags(splitAndFilterString(",", projectionSourceTags));
    }
Sets the tags to find in the build classpath when projecting a JAR.

<p>Tags can only be provided if {@link #projectionSource} has been set to
something other than "source".

@param projectionSourceTags Comma separated list of projection tags.
@return Returns the builder.
smithy-cli/src/main/java/software/amazon/smithy/cli/BuildParameterBuilder.java