import { type SessionEvent, type SessionTurn } from "@opengeni/sdk";
import type { EmbeddedSessionClientLike } from "../client.js";
import { type OpenGeniText } from "../messages/runtime.js";
export type LatestQuestionOptions = {
    /** Check navigation.isCurrent() after awaits and immediately before UI effects. */
    onQueuedQuestion?: (turn: SessionTurn, navigation: {
        isCurrent: () => boolean;
    }) => void | Promise<void>;
};
/** Include every canonical execution fallback, not just turn.started. Derive
 * this optional navigation index only when the user requests Latest question. */
export declare const TIMELINE_TURN_ANCHOR_EVENT_TYPES: ("agent.message.completed" | "agent.message.delta" | "agent.model.request" | "agent.model.usage" | "agent.reasoning.delta" | "agent.toolCall.created" | "agent.toolCall.output" | "agent.updated" | "artifact.created" | "codex.account.selection.changed" | "codex.account.switched" | "codex.capacity.resumed" | "codex.capacity.superseded" | "codex.capacity.waiting" | "codex.credential.selected" | "codex.fleet.decision" | "credential.auth_needed" | "fs.changed" | "git.changed" | "goal.cleared" | "goal.completed" | "goal.continuation" | "goal.held" | "goal.paused" | "goal.progress" | "goal.resumed" | "goal.rewrite.proposed" | "goal.rewrite.rejected" | "goal.set" | "goal.updated" | "instruction.confirmation.recovered" | "knowledge.confirmation.recovered" | "knowledge.source.failed" | "knowledge.source.prepared" | "machine.link.lost" | "machine.link.restored" | "machine.op.failed" | "machine.op.recovered" | "machine.runner.restarted" | "memory.corrected" | "memory.saved" | "model_account.selection.changed" | "recording.available" | "recording.failed" | "recording.started" | "rig.setup.completed" | "rig.setup.failed" | "rig.setup.skipped" | "rig.setup.started" | "sandbox.box.created" | "sandbox.box.lost" | "sandbox.box.snapshot" | "sandbox.box.terminated" | "sandbox.command.output.delta" | "sandbox.env.drift" | "sandbox.operation.completed" | "sandbox.operation.failed" | "sandbox.operation.started" | "sandbox.recovery.selected" | "session.agent.updated" | "session.command.backgrounded" | "session.command.finished" | "session.context.cleared" | "session.context.compacted" | "session.context.compaction.requested" | "session.context.compaction.skipped" | "session.context.compaction.started" | "session.control.paused" | "session.control.resumed" | "session.control.steer_requested" | "session.created" | "session.event.envelope_omitted" | "session.humanInput.requested" | "session.mcp.approval_policy.updated" | "session.model_settings.updated" | "session.notification.posted" | "session.notification.withdrawn" | "session.personal_resources.attached" | "session.queue.changed" | "session.queue.history" | "session.queue.prompt.cancelled" | "session.realtime.ended" | "session.realtime.started" | "session.requiresAction" | "session.route.reconciled" | "session.runtime.configured" | "session.skills.updated" | "session.status.changed" | "session.title_set" | "session.tool_policy.updated" | "session.usage_limit.updated" | "session.variable_sets.updated" | "session.visibility.changed" | "session.wait.finished" | "session.wait.started" | "stream.closed" | "stream.opened" | "stream.revoked" | "stream.url.rotated" | "subscription.account.selected" | "subscription.account.switched" | "system.update.cancelled" | "system.update.delivered" | "system.update.pending" | "system.update.settled" | "system.update.superseded" | "terminal.pty.exited" | "terminal.pty.output.delta" | "terminal.pty.started" | "tool.auth_needed" | "turn.cancelled" | "turn.capacity_waiting" | "turn.completed" | "turn.dispatch.expired" | "turn.event.rejected_late" | "turn.failed" | "turn.queued" | "turn.recovery.requested" | "turn.started" | "turn.startup.phase.completed" | "turn.startup.phase.failed" | "turn.startup.phase.started" | "turn.superseded" | "usage.exhausted" | "usage.period_reset" | "usage.threshold_reached" | "user.approvalDecision" | "user.humanInputResponse" | "user.message" | "user.pause" | "workspace.inference.paused" | "workspace.inference.resumed" | "workspace.revision.captured" | "workspace.revision.degraded")[];
/** Resolve an optional navigation destination without owning the hook's window
 * or React state. The caller guards errors and applies only a current result. */
export declare function resolveLatestQuestion(t: OpenGeniText, { client, workspaceId, sessionId, isCurrent, resumeSequence, options, }: {
    client: EmbeddedSessionClientLike;
    workspaceId: string;
    sessionId: string;
    isCurrent: () => boolean;
    resumeSequence: (events: readonly SessionEvent[]) => number;
    options?: LatestQuestionOptions | undefined;
}): Promise<{
    questionSequence: number;
    anchor: number;
    events: SessionEvent[];
} | null>;