import type { ContextContainer } from "#context/container.js";
import type { bindDynamicConnections } from "#execution/dynamic-connections.js";
import type { resolveEffectiveAgentRuntime } from "#execution/effective-agent-config.js";
import type { SessionEventPublisher } from "#execution/publish-session-events.js";
import type { HandleEventFn } from "#harness/types.js";
import type { ExecutionInstrumentation } from "#instrumentation/runtime.js";
import type { CompiledBundle } from "#runtime/sessions/runtime-context-keys.js";
/** True when a hook on this event type may cancel the running turn. */
export declare function isHookCancellableEvent(type: string): boolean;
/**
 * Publishes one turn event, then runs memory, hooks, and model preparation for it.
 * A hook's `ctx.cancel()` aborts the turn signal at once; the event's remaining
 * hooks still run, then the handler stops the turn before the next model call.
 */
export declare function createTurnEventHandler(input: {
    readonly abortSignal: AbortSignal;
    readonly bundle: CompiledBundle;
    /** False for clear and compact requests, which run outside any turn. */
    readonly canCancelTurn: boolean;
    readonly hookCancellation: AbortController;
    readonly ctx: ContextContainer;
    readonly dynamicConnections: ReturnType<typeof bindDynamicConnections>;
    readonly effectiveAgent: ReturnType<typeof resolveEffectiveAgentRuntime>;
    readonly effectiveNode: CompiledBundle["graph"]["root"];
    readonly instrumentation: ExecutionInstrumentation | undefined;
    readonly publisher: SessionEventPublisher;
}): HandleEventFn;