export type AgentEnvKind = 'plain' | 'secret';
export interface AgentEnvRecord {
    key: string;
    kind: AgentEnvKind;
    value: string;
}
export interface AgentEnvSnapshot {
    plain: Record<string, string>;
    secret: Record<string, string>;
}
export declare class AgentEnvExistsError extends Error {
    readonly key: string;
    readonly kind: AgentEnvKind;
    constructor(key: string, kind: AgentEnvKind);
}
export declare function agentEnvDir(agentId: string, animaHome?: string): string;
export declare function agentEnvPaths(agentId: string, animaHome?: string): {
    dir: string;
    plain: string;
    secret: string;
    keys: string;
};
export declare class AgentEnvStore {
    private readonly animaHome;
    private readonly paths;
    private readonly lockPath;
    constructor(agentId: string, animaHome?: string);
    list(): Promise<AgentEnvRecord[]>;
    load(): Promise<AgentEnvSnapshot>;
    set(key: string, value: string, kind: AgentEnvKind, options?: {
        replace?: boolean;
    }): Promise<void>;
    valuesFor(keys: string[] | undefined): Promise<Record<string, string>>;
}
export declare function assertEnvKeyAllowed(key: string): void;
export declare function maskEnvSecret(value: string): string;
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