import { type BuiltInFeatureId, type CapabilityDescriptor, type FeatureId } from '../backend-contract/capabilities';
import type { IpcCapabilitySnapshotV2 } from '../ipc/protocol';
interface CapabilitySource {
    capability(id: FeatureId): CapabilityDescriptor | null;
    capabilities(): readonly CapabilityDescriptor[];
}
export interface BleCapabilities {
    /** True when the feature is implemented and invocable. Inspect get(id) for any limitations. */
    supports(id: BuiltInFeatureId): boolean;
    /** Returns undefined for an unknown extension identifier. */
    get(id: FeatureId): CapabilityDescriptor | undefined;
    require(id: BuiltInFeatureId): CapabilityDescriptor;
    list(): readonly CapabilityDescriptor[];
}
export declare function assertDirectConnectionCapability(descriptor: CapabilityDescriptor | null | undefined, operation: string): void;
export declare class PublicBleCapabilities implements BleCapabilities {
    private readonly internal;
    constructor(internal: CapabilitySource);
    supports(id: BuiltInFeatureId): boolean;
    get(id: FeatureId): CapabilityDescriptor | undefined;
    require(id: BuiltInFeatureId): CapabilityDescriptor;
    list(): readonly CapabilityDescriptor[];
}
/** Projects a complete trusted-host snapshot without reconstructing evidence or TCK data. */
export declare function createPublicBleCapabilities(snapshot: IpcCapabilitySnapshotV2, expectedBackendGeneration: string, requireCatalogComplete?: boolean): PublicBleCapabilities;
export type { BuiltInFeatureId, CapabilityDescriptor, FeatureId } from '../backend-contract/capabilities';
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