import type { WebSearchProvider } from "#shared/web-search.js";
/** Session facts that can hide a selected tool without changing source composition. */
export type ToolAvailabilityCondition = "delegated-task-child" | "requires-request-input" | "root-session";
/** Native behavior declared by a selected compiled tool. */
export type CompiledToolHandling = {
    readonly kind: "dispatch";
    readonly action: "self-agent" | "task-cancel";
} | {
    readonly kind: "provider-tool";
    readonly provider: WebSearchProvider;
} | {
    readonly kind: "request-input";
    readonly request: "question";
} | {
    readonly kind: "workflow-tool";
    readonly workflowId: string;
};
/** Closed, serializable behavior carried by one selected compiled tool. */
export interface ToolExecutionShape {
    readonly lifetime: "step" | "task";
    readonly suspend: "none" | "workflow";
}
export interface CompiledToolBehavior {
    readonly availability: readonly ToolAvailabilityCondition[];
    readonly handling?: CompiledToolHandling;
    readonly presentation?: "load-skill";
    readonly shape?: ToolExecutionShape;
}
/** Concrete dispatch identity prepared before a tool reaches the harness. */
export type PreparedDispatchTarget = {
    readonly kind: "remote-agent-call";
    readonly nodeId: string;
    readonly remoteAgentName: string;
} | {
    readonly kind: "self-agent-call";
    readonly nodeId: string;
    readonly subagentName: string;
} | {
    readonly kind: "subagent-call";
    readonly nodeId: string;
    readonly subagentName: string;
} | {
    readonly kind: "task-cancel";
} | {
    readonly kind: "workflow-tool-call";
    readonly workflowId: string;
};
/** Runtime-prepared handling consumed by the harness and execution boundary. */
export type PreparedToolHandling = {
    readonly kind: "dispatch";
    readonly target: PreparedDispatchTarget;
} | Extract<CompiledToolHandling, {
    readonly kind: "provider-tool" | "request-input";
}>;
/** Runtime-prepared behavior carried by one harness-visible tool. */
export interface PreparedToolBehavior {
    readonly availability: readonly ToolAvailabilityCondition[];
    readonly handling?: PreparedToolHandling;
    readonly presentation?: CompiledToolBehavior["presentation"];
}
/** Attaches internal behavior without adding a public string-keyed definition field. */
export declare function attachToolBehavior<TDefinition extends object>(definition: TDefinition, behavior: CompiledToolBehavior): TDefinition;
/** Reads internal behavior from a framework-owned definition. */
export declare function readToolBehavior(value: unknown): CompiledToolBehavior | undefined;