Module query_engine 

QueryEngine - translates QueryEngine.ts from TypeScript Owns the query lifecycle and session state for a conversation.

One QueryEngine per conversation. Each submitMessage() call starts a new turn within the same conversation. State (messages, file cache, usage, etc.) persists across turns.

Structs

AbortController

Abort controller

AgentDefinitions

AlwaysAllowRules

AppState

App state for SDK

AskConfig

Configuration for ask function

ElicitationRequest

Elicitation request

ElicitationResponse

Elicitation response

FileStateCache

File state cache

McpClient

McpState

NonNullableUsage

Token usage (non-nullable)

OrphanedPermission

Orphaned permission

QueryEngine

QueryEngine - owns the query lifecycle and session state

QueryEngineConfig

Query engine configuration (matches TypeScript QueryEngineConfig)

QueryTracking

Query tracking for analytics

SDKPermissionDenial

SDK permission denial

SDKStatus

SDK status

SnipResult

Snip result from compaction

SubmitOptions

Options for submit_message

TaskBudget

Task budget configuration

ThinkingConfig

Thinking configuration

ToolPermissionContext

ToolUseContext

Tool use context

ToolUseContextOptions

Enums

PermissionDecision

Permission decision

PermissionMode

Permission mode enum

ThinkingType

Functions

ask

Main ask function - convenience wrapper around QueryEngine Returns a future that resolves to a vector of SDK messages

Type Aliases

CanUseToolFn

CanUseTool function type

HandleElicitationFn

Handle elicitation function type (boxed)

SDKMessage

Async generator result type - yields SDK messages

SetSdkStatusFn

Set SDK status function type (boxed)

SnipReplayFn

Snip replay function type (boxed)