export type Scalar = string | number | boolean;
export type InputSnapshot = Record<string, Scalar>;
export type Verdict = "ALLOW" | "DENY";
export type Condition = {
    op: "eq" | "ne" | "lt" | "le" | "gt" | "ge";
    path: string;
    value: Scalar;
} | {
    op: "in";
    path: string;
    values: Scalar[];
} | {
    op: "exists" | "absent";
    path: string;
} | {
    op: "and" | "or";
    clauses: Condition[];
} | {
    op: "not";
    clause: Condition;
};
export interface Rule {
    id: string;
    when: Condition;
    then: Verdict;
}
export interface Policy {
    spec: "noa.policy/0.2";
    id: string;
    requiredPaths: string[];
    rules: Rule[];
}
export declare const POLICY_SPEC: "noa.policy/0.2";
export declare const DEFAULT_VERDICT: Verdict;
export declare function policyHash(p: Policy): string;
export declare function readSet(p: Policy): string[];
export declare function readSetHash(p: Policy): string;