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LlmAgentBuilder

gemini_adk_rs::llm_agent

Struct LlmAgentBuilder 

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pub struct LlmAgentBuilder { /* private fields */ }
Expand description

Builder for LlmAgent – fluent API for declaring tools, middleware, sub-agents.

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impl LlmAgentBuilder

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pub fn tool(self, tool: impl ToolFunction + 'static) -> Self

Register a regular function tool.

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pub fn typed_tool<T>(self, tool: TypedTool<T>) -> Self
where T: DeserializeOwned + JsonSchema + Send + Sync + 'static,

Register a typed tool with auto-generated JSON Schema.

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pub fn streaming_tool(self, tool: impl StreamingTool + 'static) -> Self

Register a streaming tool.

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pub fn input_streaming_tool( self, tool: impl InputStreamingTool + 'static, ) -> Self

Register an input-streaming tool.

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pub fn middleware(self, mw: impl Middleware + 'static) -> Self

Add middleware to the agent.

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pub fn plugin(self, plugin: impl Plugin + 'static) -> Self

Add a plugin to the agent.

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pub fn sub_agent(self, agent: impl Agent + 'static) -> Self

Register a sub-agent (enables transfer_to_{name} tool).

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pub fn tool_timeout(self, timeout: Duration) -> Self

Set the default timeout for tool execution.

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pub fn build(self) -> LlmAgent

Build the LlmAgent, freezing all tool declarations.

This:

  1. Auto-registers transfer_to_{name} SimpleTool for each sub_agent
  2. Prepends TelemetryMiddleware
  3. Returns the frozen LlmAgent

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