Intent of loopbackProxyServer.test|title=LoopbackProxyServer Lifecycle & binding serves real requests via handleRequest|occurrence=1, loopbackProxyServer.test|title=LoopbackProxyServer Refcounting disposing the last handle tears the server down|occurrence=1, +2

All 61 exact tests in this concept. Every test is marked by where it enters the hierarchy.

mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/ 61 tests
- platform/ 61 tests
  - agentHost/ 61 tests
    
    test/ 61 tests
    
    node/ 61 tests
    
    claudeProxyService.test|title=ClaudeProxyService Auth auth-first precedence: GET / 1 test
    
    v1/ 1 test
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/claudeProxyService.test|title=ClaudeProxyService Auth auth-first precedence: GET /v1/models with bad auth does not reach upstream|occurrence=1 Inherited count_tokens with bad auth → 401 (not 501)|occurrence=1, models with bad auth does not reach upstream|occurrence=1, +3
    
    claudeProxyService.test|title=ClaudeProxyService Auth auth-first precedence: POST / 2 tests
    
    v1/ 2 tests
    
    messages/ 1 test
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/claudeProxyService.test|title=ClaudeProxyService Auth auth-first precedence: POST /v1/messages/count_tokens with bad auth → 401 (not 501)|occurrence=1 Inherited count_tokens with bad auth → 401 (not 501)|occurrence=1, models with bad auth does not reach upstream|occurrence=1, +3
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/claudeProxyService.test|title=ClaudeProxyService Auth auth-first precedence: POST /v1/messages with bad auth does not reach upstream|occurrence=1 Inherited count_tokens with bad auth → 401 (not 501)|occurrence=1, models with bad auth does not reach upstream|occurrence=1, +3
    
    claudeProxyService.test|title=ClaudeProxyService GET / 3 tests
    
    v1/ 3 tests
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/claudeProxyService.test|title=ClaudeProxyService GET /v1/models non-CopilotApiError → 502 api_error|occurrence=1 Inherited models non-CopilotApiError → 502 api_error|occurrence=1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/claudeProxyService.test|title=ClaudeProxyService GET /v1/models returns Page envelope with SDK-format IDs and filters by vendor + endpoint|occurrence=1 Inherited claudeProxyService.ts ×2
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/claudeProxyService.test|title=ClaudeProxyService GET /v1/models upstream CopilotApiError is re-emitted verbatim with original status|occurrence=1 Inherited models upstream CopilotApiError is re-emitted verbatim with original status|occurrence=1
    
    claudeProxyService.test|title=ClaudeProxyService POST / 4 tests
    
    v1/ 4 tests
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/claudeProxyService.test|title=ClaudeProxyService POST /v1/messages model translation SDK ID inbound is translated to endpoint ID upstream|occurrence=1 Inherited messages model translation SDK ID inbound is translated to endpoint ID upstream|occurrence=1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/claudeProxyService.test|title=ClaudeProxyService POST /v1/messages model translation endpoint ID inbound is also accepted|occurrence=1 Inherited messages model translation endpoint ID inbound is also accepted|occurrence=1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/claudeProxyService.test|title=ClaudeProxyService POST /v1/messages model translation non-streaming response model is rewritten to SDK format|occurrence=1 Inherited messages model translation non-streaming response model is rewritten to SDK format|occurrence=1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/claudeProxyService.test|title=ClaudeProxyService POST /v1/messages model translation unparseable model → 404 with no upstream call|occurrence=1 Inherited claudeProxyService.ts ×1
    
    claudeProxyService.test|title=ClaudeProxyService Routes GET / 2 tests
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/claudeProxyService.test|title=ClaudeProxyService Routes GET / → 200 ok, no auth required|occurrence=1 Inherited claudeProxyService.ts ×1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/claudeProxyService.test|title=ClaudeProxyService Routes GET /something-else → 404 not_found_error|occurrence=1 Inherited claudeProxyService.ts ×1
    
    claudeProxyService.test|title=ClaudeProxyService Routes POST / 1 test
    
    v1/ 1 test
    
    messages/ 1 test
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/claudeProxyService.test|title=ClaudeProxyService Routes POST /v1/messages/count_tokens → 501 api_error|occurrence=1 Inherited claudeProxyService.ts ×1
    
    codex/ 7 tests
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/codex/codexProxyService.test|title=CodexProxyService forwards the auto-review reviewer model unchanged when no primary model has been seen|occurrence=1 Inherited codexProxyService.ts ×1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/codex/codexProxyService.test|title=CodexProxyService forwards transformed user-agent to CAPI responses|occurrence=1 Inherited codexProxyService.test|title=CodexProxyService forwards transformed user-agent to CAPI responses|occurrence=1, codexProxyService.test|title=CodexProxyService keeps the suffix when transforming a multi-segment user-agent|occurrence=1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/codex/codexProxyService.test|title=CodexProxyService keeps the suffix when transforming a multi-segment user-agent|occurrence=1 Inherited codexProxyService.test|title=CodexProxyService forwards transformed user-agent to CAPI responses|occurrence=1, codexProxyService.test|title=CodexProxyService keeps the suffix when transforming a multi-segment user-agent|occurrence=1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/codex/codexProxyService.test|title=CodexProxyService omits User-Agent when the inbound request has none|occurrence=1 Inherited codexProxyService.test|title=CodexProxyService omits User-Agent when the inbound request has none|occurrence=1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/codex/codexProxyService.test|title=CodexProxyService remaps the reviewer model onto the most recent primary model|occurrence=1 Inherited codexProxyService.ts ×1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/codex/codexProxyService.test|title=CodexProxyService remaps the unsupported auto-review reviewer model onto the last primary model|occurrence=1 Inherited codexProxyService.ts ×1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/codex/codexProxyService.test|title=CodexProxyService serves an empty Codex model catalog|occurrence=1 Inherited codexProxyService.ts ×1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/byokLmProxyService.test|title=ByokLmProxyService returns a 503 when no renderer bridge is connected|occurrence=1 Inherited byokLmProxyService.ts ×1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/byokLmProxyService.test|title=ByokLmProxyService routes requests to a serving window and excludes a non-serving one|occurrence=1 Inherited byokLmProxyService.test|title=ByokLmProxyService routes requests to a serving window and excludes a non-serving one|occurrence=1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/claudeProxyService.test|title=ClaudeProxyService Abort client disconnect mid-stream propagates AbortSignal upstream and writes nothing else|occurrence=1 Inherited claudeProxyService.ts ×3
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/claudeProxyService.test|title=ClaudeProxyService Abort dispose() with in-flight non-streaming aborts the upstream call|occurrence=1 Inherited claudeProxyService.ts ×1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/claudeProxyService.test|title=ClaudeProxyService Auth Bearer <nonce> (no dot) → 401|occurrence=1 Inherited claudeProxyService.test|title=ClaudeProxyService Auth Bearer <nonce> (no dot) → 401|occurrence=1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/claudeProxyService.test|title=ClaudeProxyService Auth Bearer <nonce>. (empty sessionId) → 401|occurrence=1 Inherited count_tokens with bad auth → 401 (not 501)|occurrence=1, models with bad auth does not reach upstream|occurrence=1, +3
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/claudeProxyService.test|title=ClaudeProxyService Auth Bearer <nonce>.<sessionId> → request proceeds|occurrence=1 Inherited claudeProxyService.ts ×4
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/claudeProxyService.test|title=ClaudeProxyService Auth Bearer wrong-nonce.x → 401|occurrence=1 Inherited count_tokens with bad auth → 401 (not 501)|occurrence=1, models with bad auth does not reach upstream|occurrence=1, +3
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/claudeProxyService.test|title=ClaudeProxyService Auth missing Authorization header → 401|occurrence=1 Inherited claudeProxyService.test|title=ClaudeProxyService Auth x-api-key alone → 401|occurrence=1, claudeProxyService.test|title=ClaudeProxyService Auth missing Authorization header → 401|occurrence=1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/claudeProxyService.test|title=ClaudeProxyService Auth x-api-key alone → 401|occurrence=1 Inherited claudeProxyService.test|title=ClaudeProxyService Auth x-api-key alone → 401|occurrence=1, claudeProxyService.test|title=ClaudeProxyService Auth missing Authorization header → 401|occurrence=1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/claudeProxyService.test|title=ClaudeProxyService Body validation missing messages field → 400|occurrence=1 Inherited claudeProxyService.ts ×1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/claudeProxyService.test|title=ClaudeProxyService Body validation missing model field → 400|occurrence=1 Inherited claudeProxyService.ts ×1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/claudeProxyService.test|title=ClaudeProxyService Body validation non-JSON body → 400|occurrence=1 Inherited claudeProxyService.ts ×1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/claudeProxyService.test|title=ClaudeProxyService Credits reporting no copilot_usage in the response → no credits report|occurrence=1 Inherited claudeProxyService.test|title=ClaudeProxyService Credits reporting no copilot_usage in the response → no credits report|occurrence=1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/claudeProxyService.test|title=ClaudeProxyService Credits reporting non-streaming: copilot_usage.total_nano_aiu fires onDidReportCredits|occurrence=1 Inherited claudeProxyService.test|title=ClaudeProxyService Credits reporting non-streaming: copilot_usage.total_nano_aiu fires onDidReportCredits|occurrence=1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/claudeProxyService.test|title=ClaudeProxyService Credits reporting streaming: copilot_usage.total_nano_aiu fires onDidReportCredits with the session id|occurrence=1 Inherited claudeProxyService.test|title=ClaudeProxyService Credits reporting streaming: copilot_usage.total_nano_aiu fires onDidReportCredits with the session id|occurrence=1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/claudeProxyService.test|title=ClaudeProxyService Header passthrough drops supported family without date suffix|occurrence=1 Inherited claudeProxyService.ts ×2
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/claudeProxyService.test|title=ClaudeProxyService Header passthrough drops x-request-id and arbitrary headers|occurrence=1 Inherited claudeProxyService.test|title=ClaudeProxyService Header passthrough drops x-request-id and arbitrary headers|occurrence=1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/claudeProxyService.test|title=ClaudeProxyService Header passthrough filters out unsupported betas|occurrence=1 Inherited claudeProxyService.ts ×2
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/claudeProxyService.test|title=ClaudeProxyService Header passthrough forwards anthropic-version verbatim|occurrence=1 Inherited claudeProxyService.ts ×1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/claudeProxyService.test|title=ClaudeProxyService Header passthrough forwards supported anthropic-beta|occurrence=1 Inherited claudeProxyService.ts ×1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/claudeProxyService.test|title=ClaudeProxyService Header passthrough mixed beta list keeps supported entries only|occurrence=1 Inherited claudeProxyService.ts ×1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/claudeProxyService.test|title=ClaudeProxyService Streaming emits SSE frames in order with hand-rolled framing and rewrites message_start.message.model|occurrence=1 Inherited claudeProxyService.test|title=ClaudeProxyService Streaming thinking_delta events pass through|occurrence=1, claudeProxyService.test|title=ClaudeProxyService Streaming tool-use input_json_delta events pass through|occurrence=1, +2
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/claudeProxyService.test|title=ClaudeProxyService Streaming mid-stream CopilotApiError → SSE error frame, then end, no message_stop after|occurrence=1 Inherited claudeProxyService.ts ×1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/claudeProxyService.test|title=ClaudeProxyService Streaming mid-stream non-CopilotApiError → synthesized SSE error frame|occurrence=1 Inherited claudeProxyService.ts ×2
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/claudeProxyService.test|title=ClaudeProxyService Streaming pre-stream CopilotApiError with streaming sentinel coerces to 502 but preserves envelope|occurrence=1 Inherited claudeProxyService.test|title=ClaudeProxyService Streaming pre-stream CopilotApiError with streaming sentinel coerces to 502 but preserves envelope|occurrence=1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/claudeProxyService.test|title=ClaudeProxyService Streaming pre-stream CopilotApiError → JSON error response with original status|occurrence=1 Inherited claudeProxyService.test|title=ClaudeProxyService Streaming pre-stream CopilotApiError → JSON error response with original status|occurrence=1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/claudeProxyService.test|title=ClaudeProxyService Streaming socket.setNoDelay(true) is called on streaming responses|occurrence=1 Inherited claudeProxyService.test|title=ClaudeProxyService Streaming thinking_delta events pass through|occurrence=1, claudeProxyService.test|title=ClaudeProxyService Streaming tool-use input_json_delta events pass through|occurrence=1, +2
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/claudeProxyService.test|title=ClaudeProxyService Streaming thinking_delta events pass through|occurrence=1 Inherited claudeProxyService.test|title=ClaudeProxyService Streaming thinking_delta events pass through|occurrence=1, claudeProxyService.test|title=ClaudeProxyService Streaming tool-use input_json_delta events pass through|occurrence=1, +2
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/claudeProxyService.test|title=ClaudeProxyService Streaming tool-use input_json_delta events pass through|occurrence=1 Inherited claudeProxyService.test|title=ClaudeProxyService Streaming thinking_delta events pass through|occurrence=1, claudeProxyService.test|title=ClaudeProxyService Streaming tool-use input_json_delta events pass through|occurrence=1, +2
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/claudeProxyService.test|title=ClaudeProxyService Token slot start() updates token slot last-writer-wins|occurrence=1 Inherited claudeProxyService.test|title=ClaudeProxyService Token slot start() updates token slot last-writer-wins|occurrence=1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/loopbackProxyServer.test|title=LoopbackProxyServer Lifecycle & binding handleRequest receives the runtime with baseUrl, nonce and state|occurrence=1 Introduced here
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/loopbackProxyServer.test|title=LoopbackProxyServer Lifecycle & binding serves real requests via handleRequest|occurrence=1 Introduced here
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/loopbackProxyServer.test|title=LoopbackProxyServer Refcounting disposing one handle while another is alive keeps the server up|occurrence=1 Inherited loopbackProxyServer.ts ×1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/loopbackProxyServer.test|title=LoopbackProxyServer Refcounting disposing the last handle tears the server down|occurrence=1 Introduced here
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/loopbackProxyServer.test|title=LoopbackProxyServer Seeding acquire seeds createState so the state is born valid with no placeholder window|occurrence=1 Introduced here
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/loopbackProxyServer.test|title=LoopbackProxyServer Unhandled errors throw after headers are sent → response is ended without crashing|occurrence=1 Inherited loopbackProxyServer.ts ×1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/loopbackProxyServer.test|title=LoopbackProxyServer Unhandled errors throw before headers → default internal-error envelope (500)|occurrence=1 Inherited loopbackProxyServer.ts ×1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/loopbackProxyServer.test|title=LoopbackProxyServer Unhandled errors throw before headers → subclass writeInternalError override is used|occurrence=1 Inherited loopbackProxyServer.ts ×1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/loopbackProxyServer.test|title=LoopbackProxyServer readProxyRequestBody reads the full request body as UTF-8|occurrence=1 Inherited loopbackProxyServer.test|title=LoopbackProxyServer readProxyRequestBody reads the full request body as UTF-8|occurrence=1, loopbackProxyServer.test|title=LoopbackProxyServer readProxyRequestBody resolves to an empty string for a body-less request|occurrence=1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/loopbackProxyServer.test|title=LoopbackProxyServer readProxyRequestBody resolves to an empty string for a body-less request|occurrence=1 Inherited loopbackProxyServer.test|title=LoopbackProxyServer readProxyRequestBody reads the full request body as UTF-8|occurrence=1, loopbackProxyServer.test|title=LoopbackProxyServer readProxyRequestBody resolves to an empty string for a body-less request|occurrence=1