/** Configuration for tenant extraction and isolation strategy. */
export interface TenantConfig {
    readonly extract: (auth: unknown) => string | null;
    readonly sessionVars?: Record<string, (ctx: TenantContext) => string>;
    readonly validate?: (tenantId: string) => boolean;
    readonly required?: boolean;
}
/** Resolved tenant context — tenant ID, request ID, and user ID. */
export interface TenantContext {
    readonly tenant: string;
    readonly requestId: string;
    readonly userId: string | null;
}
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