import { AgentTool, TokenEconomyStats, TokenSpendRecord } from '../types.js';
export declare class TokenEconomy {
    private records;
    private savingsOpportunitiesUsd;
    private initialized;
    init(): Promise<void>;
    /** Record a token spend event. */
    record(input: {
        agentTool: AgentTool;
        model: string;
        provider?: string;
        inputTokens: number;
        outputTokens: number;
        taskCategory?: string;
    }): Promise<TokenSpendRecord>;
    /** Report aggregate spend + projections + savings opportunities. */
    report(): Promise<TokenEconomyStats>;
    /** Total saved by routing to cheaper models (returned as tweetable USD). */
    getSavingsUsd(): number;
    private computeSavings;
    private detectRedundantCalls;
    private persistStats;
    private isValidRecord;
}
export declare function getTokenEconomy(): TokenEconomy;
export declare function resetTokenEconomyForTests(): void;
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