/** MUST match cliConfigSchema.sessions defaults in @opensip-cli/config. */
export declare const DEFAULT_SESSION_RETENTION_KEEP = 200;
export declare const DEFAULT_SESSION_RETENTION_MAX_AGE_DAYS = 60;
export declare const DEFAULT_SESSION_RETENTION_MAX_SIZE_MB = 150;
export interface SessionRetentionPolicy {
    readonly keep: number;
    readonly maxAgeDays: number;
    readonly maxSizeMb: number;
}
export type SessionRetentionPolicySource = 'scope' | 'cwd-fallback';
export interface ResolvedSessionRetentionPolicy extends SessionRetentionPolicy {
    readonly source: SessionRetentionPolicySource;
}
/** Normalize optional configuration against the host-owned retention defaults. */
export declare function resolveSessionRetentionPolicy(configured?: Partial<SessionRetentionPolicy>): SessionRetentionPolicy;
/** Resolve the effective retention policy from the entered project scope or cwd. */
export declare function resolveCurrentSessionRetentionPolicy(): ResolvedSessionRetentionPolicy;
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