import { z } from "zod";
export declare const CadenceEntrySchema: z.ZodObject<{
    at: z.ZodString;
    kind: z.ZodEnum<["monitor.run", "action.proposed", "action.executed", "llm.call", "external.request", "policy.decision", "budget.decision", "panic.toggle"]>;
    subject: z.ZodOptional<z.ZodString>;
    detail: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodUnknown>>;
}, "strict", z.ZodTypeAny, {
    at: string;
    kind: "monitor.run" | "action.proposed" | "action.executed" | "llm.call" | "external.request" | "policy.decision" | "budget.decision" | "panic.toggle";
    detail?: Record<string, unknown> | undefined;
    subject?: string | undefined;
}, {
    at: string;
    kind: "monitor.run" | "action.proposed" | "action.executed" | "llm.call" | "external.request" | "policy.decision" | "budget.decision" | "panic.toggle";
    detail?: Record<string, unknown> | undefined;
    subject?: string | undefined;
}>;
export type CadenceEntry = z.infer<typeof CadenceEntrySchema>;
export declare class CadenceLedger {
    private readonly store;
    constructor(workspaceRoot: string);
    record(entry: Omit<CadenceEntry, "at"> & {
        at?: string;
    }): Promise<void>;
    tail(limit?: number): Promise<readonly CadenceEntry[]>;
    countSince(kind: CadenceEntry["kind"], windowMs: number, now?: number): Promise<number>;
}
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