export type SpawnToolScope = 'read-only' | 'device-read' | 'full' | 'explore' | 'plan' | 'verify';
export declare class SpawnProfileRegistry {
    private hostSpawnToolExtensions;
    registerSpawnToolExtensions(extensions: Record<string, readonly string[]>): void;
    toolsForScope(scope: string): readonly string[];
    copyCompatibilityStateFrom(source: SpawnProfileRegistry): void;
}
export declare function getDefaultSpawnProfileRegistry(): SpawnProfileRegistry;
export declare function createSpawnProfileRegistryFromDefaults(): SpawnProfileRegistry;
export declare function registerSpawnToolExtensions(extensions: Record<string, string[]>): void;
export declare const SPAWN_TOOL_SCOPE_SETS: Record<Exclude<SpawnToolScope, 'full'>, Set<string>>;
export declare function resolveSpawnToolSet(scope: SpawnToolScope | undefined, registry?: SpawnProfileRegistry): Set<string> | null;
export declare function buildSubagentPromptAddon(scope: SpawnToolScope): string;
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