export type Role = 'admin' | 'editor' | 'viewer';
export type Permission = 'knowledge:read' | 'knowledge:write' | 'knowledge:delete' | 'knowledge:adjudicate' | 'knowledge:deprecate' | 'user:manage' | 'config:manage' | 'audit:read';
export declare const ROLE_PERMISSIONS: Record<Role, readonly Permission[]>;
export interface User {
    id: string;
    username: string;
    passwordHash: string;
    role: Role;
    createdAt: Date;
    updatedAt: Date;
    createdBy: string;
    disabled: boolean;
}
export interface Session {
    id: string;
    userId: string;
    createdAt: Date;
    expiresAt: Date;
    active: boolean;
}
export interface SessionOptions {
    timeoutMs?: number;
}
export declare const DEFAULT_SESSION_TIMEOUT_MS: number;
export type AuditAction = 'knowledge:import' | 'knowledge:edit' | 'knowledge:adjudicate' | 'knowledge:delete' | 'knowledge:deprecate' | 'user:create' | 'user:update' | 'session:login' | 'session:logout';
export interface AuditEntry {
    id: string;
    userId: string;
    action: AuditAction;
    targetId?: string;
    targetType?: string;
    detail?: string;
    timestamp: Date;
}
export interface AuthContext {
    userId: string;
    role: Role;
    sessionId: string;
}
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