import { type RiskDecision } from "../safety/classifier.js";
import type { EngagementScope } from "../store/scope.js";
import type { SessionInput, SessionTransportKind } from "./types.js";
export interface InputPolicyContext {
    readonly ownerId: string;
    readonly sessionId: string;
    readonly transport: SessionTransportKind;
    readonly input: SessionInput;
    readonly scope?: EngagementScope | undefined;
}
export declare function classifyInteractiveInput(context: InputPolicyContext): RiskDecision;
export declare function describeInput(input: SessionInput): string;
export interface ApprovalBinding {
    readonly ownerId: string;
    readonly sessionId: string;
    readonly input: SessionInput;
    readonly decision: RiskDecision["level"];
}
export declare class ApprovalTokenVault {
    private readonly now;
    private readonly tokens;
    constructor(now?: () => number);
    mint(binding: ApprovalBinding): string;
    consume(token: string | undefined, binding: ApprovalBinding): boolean;
    private sweep;
}