import type { StorageSelection } from "./provider.js";
export declare const STORAGE_ENV = "ATOMIC_STORAGE";
export declare const SESSIONS_STORAGE_ENV = "ATOMIC_SESSIONS_STORAGE";
export declare const WORKFLOWS_JOURNAL_ENV = "ATOMIC_WORKFLOWS_JOURNAL";
export declare const WORKFLOW_JOURNAL_PATH_ENV = "ATOMIC_WORKFLOW_JOURNAL_PATH";
export type StorageDomain = "sessions" | "journal";
export type StorageFlag = "--storage" | "--storage-file";
export interface StorageFlagArgument {
    readonly flag: StorageFlag;
    readonly value: string;
}
/** A storage selection chosen by the launching process rather than by settings. */
export interface ProcessStorageChoice {
    readonly selection: StorageSelection;
    readonly source: "cli" | "env";
    readonly field: string;
}
/**
 * Record this process's `--storage` or `--storage-file` selection, or clear it with `undefined`.
 * A relative `--storage-file` path resolves against `cwd`.
 */
export declare function setCliStorageSelection(argument: StorageFlagArgument | undefined, cwd?: string): void;
/** Check every set storage variable, whether or not any selection uses it. */
export declare function validateProcessStorage(agentDir: string): void;
/**
 * The process-level storage selection for one domain: `--storage`/`--storage-file`, then the domain
 * variable or its legacy path variable, then `ATOMIC_STORAGE`. `undefined` leaves the choice to settings.
 * Every set storage variable is validated, whichever one applies.
 */
export declare function selectProcessStorage(domain: StorageDomain, agentDir: string, cwd?: string): ProcessStorageChoice | undefined;
/** Whether the launching process selected this domain's storage, without validating the selection. */
export declare function hasProcessStorageSelection(domain: StorageDomain): boolean;
/**
 * The shared `storage` selection this process was launched with, as the `ATOMIC_STORAGE` value a child process it
 * spawns should receive: `--storage`/`--storage-file`, then `ATOMIC_STORAGE`. `undefined` leaves the choice to
 * settings. Validated when it was recorded or when this process started, not again here.
 */
export declare function processSharedStorageSelection(): string | undefined;
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