import type { FabricInvocationContext } from "../protocol.js";
import type { JevFabricServe } from "../jev-fabric/serve.js";
import type { FabricJevConfig } from "./config.js";
import type { DecisionModel, DecisionProvider, DecisionRequest, DecisionResolution, DecisionResult } from "./decision-types.js";
/** Host-owned connections never inherit an ambient target, resolver, or key. */
export declare function decisionEnvironment(config: FabricJevConfig, source?: NodeJS.ProcessEnv): NodeJS.ProcessEnv;
/** Unknown counters are not zero. This does not rewrite any returned evidence. */
export declare function decisionUsage(result: DecisionResult): {
    input: number | null;
    output: number | null;
    exhausted: boolean;
};
/** Auth and trust adapter only. All decision parsing/provenance stays in the native engine. */
export declare class JevDecisions {
    #private;
    constructor(config: FabricJevConfig);
    /** Freeze the selected default for a newly launched managed program. */
    fork(): JevDecisions;
    /** Trusted UI-only selector update. Existing request snapshots and budgets survive. */
    setProfile(profile: string | null | undefined): void;
    providers(serve: JevFabricServe, signal?: AbortSignal): Promise<DecisionProvider[]>;
    resolve(serve: JevFabricServe, request: Partial<DecisionRequest>, context: FabricInvocationContext): Promise<DecisionResolution>;
    models(serve: JevFabricServe, context: FabricInvocationContext): Promise<DecisionModel[]>;
    decide(serve: JevFabricServe, request: DecisionRequest, context: FabricInvocationContext): Promise<DecisionResult>;
    close(): void;
}
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