import type { UsageStatistics } from "../session/session-manager";
export type GoalStatus = "active" | "paused" | "complete" | "dropped";
export type GoalProvenance = {
    source: "ultragoal";
    runId: string;
    goalId: string;
} | {
    source: "user";
};
export interface Goal {
    id: string;
    objective: string;
    status: GoalStatus;
    tokensUsed: number;
    timeUsedSeconds: number;
    createdAt: number;
    updatedAt: number;
    provenance?: GoalProvenance;
}
export interface GoalModeState {
    enabled: boolean;
    mode: "active" | "exiting";
    reason?: "completed";
    goal: Goal;
}
export interface GoalToolDetails {
    op: "create" | "get" | "complete" | "resume" | "drop" | "pause";
    goal?: Goal | null;
}
export type GoalRuntimeEvent = {
    type: "goal_updated";
    goal: Goal | null;
    state?: GoalModeState;
} | {
    type: "goal_continuation_requested";
    prompt: string;
};
export type GoalTokenUsage = Pick<UsageStatistics, "input" | "output" | "cacheRead" | "cacheWrite">;
export declare function normalizeGoal(candidate: unknown): Goal | null;
export declare function normalizeGoalModeState(candidate: GoalModeState | undefined): GoalModeState | undefined;