import { z } from "zod";
declare const DocumentStateSchema: z.ZodObject<{
    version: z.ZodNumber;
    lastGeneratedAt: z.ZodString;
    costUsd: z.ZodNumber;
    inputTokens: z.ZodNumber;
    outputTokens: z.ZodNumber;
}, z.core.$strip>;
declare const RepositoryStateSchema: z.ZodObject<{
    lastCommitSha: z.ZodString;
    lastAnalyzedAt: z.ZodString;
}, z.core.$strip>;
declare const HistoryEntrySchema: z.ZodObject<{
    timestamp: z.ZodString;
    type: z.ZodEnum<{
        full: "full";
        incremental: "incremental";
    }>;
    documentsUpdated: z.ZodArray<z.ZodString>;
    totalCostUsd: z.ZodNumber;
    totalInputTokens: z.ZodOptional<z.ZodNumber>;
    totalOutputTokens: z.ZodOptional<z.ZodNumber>;
    durationMs: z.ZodNumber;
}, z.core.$strip>;
declare const StateSchema: z.ZodObject<{
    version: z.ZodDefault<z.ZodNumber>;
    mode: z.ZodEnum<{
        current: "current";
        remote: "remote";
    }>;
    lastGeneration: z.ZodDefault<z.ZodNullable<z.ZodObject<{
        timestamp: z.ZodString;
        type: z.ZodEnum<{
            full: "full";
            incremental: "incremental";
        }>;
        model: z.ZodString;
        totalCostUsd: z.ZodNumber;
        totalInputTokens: z.ZodNumber;
        totalOutputTokens: z.ZodNumber;
        durationMs: z.ZodNumber;
    }, z.core.$strip>>>;
    repositories: z.ZodDefault<z.ZodRecord<z.ZodString, z.ZodObject<{
        lastCommitSha: z.ZodString;
        lastAnalyzedAt: z.ZodString;
    }, z.core.$strip>>>;
    documents: z.ZodDefault<z.ZodRecord<z.ZodString, z.ZodObject<{
        version: z.ZodNumber;
        lastGeneratedAt: z.ZodString;
        costUsd: z.ZodNumber;
        inputTokens: z.ZodNumber;
        outputTokens: z.ZodNumber;
    }, z.core.$strip>>>;
    history: z.ZodDefault<z.ZodArray<z.ZodObject<{
        timestamp: z.ZodString;
        type: z.ZodEnum<{
            full: "full";
            incremental: "incremental";
        }>;
        documentsUpdated: z.ZodArray<z.ZodString>;
        totalCostUsd: z.ZodNumber;
        totalInputTokens: z.ZodOptional<z.ZodNumber>;
        totalOutputTokens: z.ZodOptional<z.ZodNumber>;
        durationMs: z.ZodNumber;
    }, z.core.$strip>>>;
}, z.core.$strip>;
export type OnPushState = z.infer<typeof StateSchema>;
export type DocumentState = z.infer<typeof DocumentStateSchema>;
export type RepositoryState = z.infer<typeof RepositoryStateSchema>;
export type HistoryEntry = z.infer<typeof HistoryEntrySchema>;
/**
 * Loads state from .onpush/state.json. Returns null if file doesn't exist.
 */
export declare function loadState(configDir: string): Promise<OnPushState | null>;
/**
 * Saves state atomically (write to temp, then rename) with file-level locking.
 */
export declare function saveState(configDir: string, state: OnPushState): Promise<void>;
/**
 * Creates a fresh state object for a given mode.
 */
export declare function createInitialState(mode: "current" | "remote"): OnPushState;
/**
 * Updates the document state for a specific slug.
 */
export declare function updateDocumentState(state: OnPushState, slug: string, result: {
    costUsd: number;
    inputTokens: number;
    outputTokens: number;
}): void;
/**
 * Appends a history entry to state, keeping at most MAX_HISTORY_ENTRIES.
 */
export declare function appendHistory(state: OnPushState, entry: HistoryEntry): void;
export {};
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