import type { CodexCredentialDelivery } from "@skaile/workspaces/types";
import type { AgentConfig, CodexManagedRuntimeOptions } from "../types.js";
/** Session-owned state lock and account-bound native resume metadata; never stores credentials. */
export declare function prepareCodexInstance(config: AgentConfig, options: CodexManagedRuntimeOptions, credential: CodexCredentialDelivery): {
    root: string;
    stateRoot: string;
    cwd: string;
    home: string;
    instructionFile: string;
    bindThread: (threadId: string) => void;
    release: () => void;
    setToolInstructions: (text: string) => void;
};
/** A replacement environment; managed auth never reads or mutates ambient process.env. */
export declare function codexInstanceEnvironment(input: Record<string, string>, home: string): Record<string, string>;
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