return this;
        }

        /**
         * Sets the namespace prefix of the XML node.
         *
         * @param prefix the namespace prefix of the XML node
         * @return this builder instance
         */
        public Builder prefix(String prefix) {
            this.prefix = prefix;
            return this;
        }

        /**

    /** Prefix used to identify role-based permissions */
    protected String rolePrefix = "{role}";

    /** Prefix used to identify group-based permissions */
    protected String groupPrefix = "{group}";

    /** Prefix used to identify user-based permissions */
    protected String userPrefix = "{user}";

    /** Prefix used to identify allow permissions */

func (p *Parser) register(name string, prefix rune) (r1, r2 int16, scale int8, ok bool) {
	// R1 or R(1) R1:R2 R1,R2 R1+R2, or R1*scale.
	r1, ok = p.registerReference(name)
	if !ok {
		return
	}
	if prefix != 0 && prefix != '*' { // *AX is OK.
		p.errorf("prefix %c not allowed for register: %c%s", prefix, prefix, name)
	}
	c := p.peek()
	if c == ':' || c == ',' || c == '+' {

        }
        OutSpliteratorT result =
            factory.newFlatMapSpliterator(
                this.prefix, fromSplit, function, splitCharacteristics, estSplitSize);
        this.prefix = null;
        return result;
      } else if (prefix != null) {
        OutSpliteratorT result = prefix;
        this.prefix = null;
        return result;
      } else {
        return null;
      }
    }

    @Override

    private WebAuthenticationConfig createWebAuthConfig(final Map<String, String> paramMap, final String webAuthName) {
        final String prefix = CRAWLER_WEB_AUTH + "." + webAuthName + ".";
        final String scheme = paramMap.get(prefix + "scheme");

        final String username = paramMap.get(prefix + "username");
        if (StringUtil.isEmpty(username)) {

                final String prefix;
                if (query != null) {
                    prefix = "ex_q=" + query.split(":")[0] + "%3A";
                } else {
                    prefix = null;
                }
                return pagingQueryList.stream()
                        .filter(s -> prefix == null || !s.startsWith(prefix))

## About proxies with a stripped path prefix { #about-proxies-with-a-stripped-path-prefix }

Keep in mind that a proxy with stripped path prefix is only one of the ways to configure it.

Probably in many cases the default will be that the proxy doesn't have a stripped path prefix.

# Lax app with nested routers, inner overrides to strict

app_nested = FastAPI(strict_content_type=False)  # lax app
outer_router = APIRouter(prefix="/outer")  # inherits lax from app
inner_strict = APIRouter(prefix="/strict", strict_content_type=True)
inner_default = APIRouter(prefix="/default")


@inner_strict.post("/items/")
async def inner_strict_post(data: dict):
    return data


@inner_default.post("/items/")

        return {"ok": True}

    for prefix in ["/path-a", "/path-b", "/path-c"]:
        c = TestClient(app, root_path=prefix)
        c.get("/openapi.json")

    # A clean request should not have any of them
    clean_client = TestClient(app)
    response = clean_client.get("/openapi.json")
    data = response.json()
    servers = [s.get("url") for s in data.get("servers", [])]
    for prefix in ["/path-a", "/path-b", "/path-c"]:

import org.junit.jupiter.params.provider.ArgumentsSource

private val prefix = if (File("samples").exists()) "" else "../../"

private fun mainFiles(): List<File> {
  val directories =
    listOf(
      "$prefix/samples/guide/src/main/java/okhttp3/guide",
      "$prefix/samples/guide/src/main/java/okhttp3/recipes",
      "$prefix/samples/guide/src/main/java/okhttp3/recipes/kt",
    ).map { File(it) }