import type { AgentTool, AgentToolContext, AgentToolResult, AgentToolUpdateCallback, ToolTier } from "@oh-my-pi/pi-agent-core";
import type { ToolSession } from "../../tools/index.js";
import type { Goal, GoalToolDetails } from "@oh-my-pi/pi-tui/tools/goal";
declare const goalSchema: import("@oh-my-pi/omptype").FluentType<{
    objective?: string | undefined;
    op: "complete" | "create" | "drop" | "get" | "resume";
    token_budget?: number | undefined;
}, {
    objective?: string | undefined;
    op: "complete" | "create" | "drop" | "get" | "resume";
    token_budget?: number | undefined;
}>;
export type GoalToolInput = typeof goalSchema.infer;
export interface GoalToolResponse {
    goal: Goal | null;
    remainingTokens: number | null;
    completionBudgetReport: string | null;
}
export declare function buildGoalToolResponse(goal: Goal | null | undefined, options?: {
    includeCompletionReport?: boolean;
}): GoalToolResponse;
export declare class GoalTool implements AgentTool<typeof goalSchema, GoalToolDetails> {
    #private;
    readonly name = "goal";
    /** Goal ops touch only session state: `get` reads it; the rest change the goal, so `always-ask` still prompts. */
    readonly approval: (args: unknown) => ToolTier;
    readonly label = "Goal";
    readonly description: string;
    readonly parameters: import("@oh-my-pi/omptype").FluentType<{
        objective?: string | undefined;
        op: "complete" | "create" | "drop" | "get" | "resume";
        token_budget?: number | undefined;
    }, {
        objective?: string | undefined;
        op: "complete" | "create" | "drop" | "get" | "resume";
        token_budget?: number | undefined;
    }>;
    readonly strict = true;
    readonly intent: "omit";
    constructor(session: ToolSession);
    execute(_toolCallId: string, params: GoalToolInput, _signal?: AbortSignal, _onUpdate?: AgentToolUpdateCallback<GoalToolDetails>, _context?: AgentToolContext): Promise<AgentToolResult<GoalToolDetails>>;
}
export {};