from fastapi import FastAPI, Response

app = FastAPI()


@app.get("/headers-and-object/")
def get_headers(response: Response):
    response.headers["X-Cat-Dog"] = "alone in the world"

from fastapi import FastAPI
from fastapi.responses import JSONResponse

app = FastAPI()


@app.get("/headers/")
def get_headers():
    content = {"message": "Hello World"}
    headers = {"X-Cat-Dog": "alone in the world", "Content-Language": "en-US"}

        headers.put("Content-Type", Arrays.asList("application/json"));
        headers.put("Content-Length", Arrays.asList("100"));

        response.setHeaders(headers);

        Map<String, List<String>> result = response.getHeaders();
        assertNotNull(result);
        // Headers should be stored in lowercase
        assertTrue(result.containsKey("content-type"));

	public final fun getChunkSizes ()Ljava/util/List;
	public final fun getFailure ()Ljava/io/IOException;
	public final fun getHandshake ()Lokhttp3/Handshake;
	public final fun getHeader (Ljava/lang/String;)Ljava/lang/String;
	public final fun getHeaders ()Lokhttp3/Headers;
	public final fun getMethod ()Ljava/lang/String;
	public final fun getPath ()Ljava/lang/String;
	public final fun getRequestLine ()Ljava/lang/String;

  @JvmName("-deprecated_getHeaders")
  @Deprecated(
    message = "moved to var",
    replaceWith = ReplaceWith(expression = "headers"),
    level = DeprecationLevel.ERROR,
  )
  fun getHeaders(): Headers = headers

  fun setHeaders(headers: Headers) = apply { this.headers = headers }

  @JvmName("-deprecated_getTrailers")
  @Deprecated(
    message = "moved to var",
    replaceWith = ReplaceWith(expression = "trailers"),

        public long getDateHeader(String name) {
            return -1;
        }

        @Override
        public String getHeader(String name) {
            return null;
        }

        @Override
        public java.util.Enumeration<String> getHeaders(String name) {
            return java.util.Collections.emptyEnumeration();
        }

        @Override

            return null;
        }

        @Override
        public long getDateHeader(String name) {
            return -1;
        }

        @Override
        public java.util.Enumeration<String> getHeaders(String name) {
            return java.util.Collections.emptyEnumeration();
        }

        @Override
        public java.util.Enumeration<String> getHeaderNames() {

            return new Cookie[0];
        }

        @Override
        public long getDateHeader(String name) {
            return -1;
        }

        @Override
        public Enumeration<String> getHeaders(String name) {
            return null;
        }

        @Override
        public Enumeration<String> getHeaderNames() {
            return null;
        }

        @Override

            this.headers = Map.copyOf(map);
        }
    }

    /**
     * Gets the headers of the response.
     *
     * @return the headers.
     */
    public Map<String, List<String>> getHeaders() {
        return headers;
    }

    /**
     * Gets the values of the specified header.
     *
     * @param name the name of the header.

                return 0;
            }

            @Override
            public String getHeader(String name) {
                return null;
            }

            @Override
            public java.util.Enumeration<String> getHeaders(String name) {
                return null;
            }

            @Override