public T initialBufferSize(int value) {
		if (value <= 0) {
			throw new IllegalArgumentException("initialBufferSize must be strictly positive");
		}
		this.initialBufferSize = value;
		return get();
	}
@Test
	void initialBufferSize() {
		checkDefaultInitialBufferSize(conf);

		conf.initialBufferSize(123);

		assertThat(conf.initialBufferSize()).as("initial buffer size").isEqualTo(123);

		checkDefaultMaxInitialLineLength(conf);
		checkDefaultMaxHeaderSize(conf);
		checkDefaultMaxChunkSize(conf);
		checkDefaultValidateHeaders(conf);
		checkDefaultAllowDuplicateContentLengths(conf);
	}