public ChatRequestBuilder topP(Double topP) {
		request.setTopP(topP);
		return this;
	}
An alternative to sampling with temperature, called nucleus sampling, where the
model considers the results of the tokens with top_p probability mass. So 0.1 means
only the tokens comprising the top 10% probability mass are considered.
@param topP top_p, default is 1
@return builder
src/main/java/org/mvnsearch/chatgpt/model/completion/chat/ChatRequestBuilder.java