import type { StorageProvider } from '../storage/index.js';
import { type CopilotPluginRequirements, type PluginMcpMetadata, type PluginComponentKind, type PluginFileDeployment, type PluginProviderContract, type PluginRepositoryMetadata, type PluginRuntimeManifest, type PluginUpstreamMetadata, type SquadPluginManifest } from './plugin-manifest.js';
export declare const PLUGIN_STATE_DIR = "plugins";
export declare const INSTALLED_PLUGINS_FILE: string;
export declare const PLUGIN_LOCK_FILE: string;
export declare const PLUGIN_RUNTIME_FILE: string;
export declare const PLUGIN_AUDIT_FILE: string;
export interface InstalledPluginFile extends PluginFileDeployment {
    sha256: string;
}
export interface InstalledPlugin {
    id: string;
    name: string;
    version: string;
    enabled: boolean;
    source: string;
    installed_at: string;
    roles: PluginComponentKind[];
    copilot?: CopilotPluginRequirements;
    repository?: PluginRepositoryMetadata;
    upstream?: PluginUpstreamMetadata;
    mcp?: PluginMcpMetadata;
    providers?: PluginProviderContract[];
    runtime?: PluginRuntimeManifest;
    files: InstalledPluginFile[];
}
export interface InstalledPluginsState {
    plugins: InstalledPlugin[];
}
export interface PluginLockEntry {
    id: string;
    version: string;
    source: string;
    manifest_sha256: string;
    files: InstalledPluginFile[];
    installed_at: string;
}
export interface PluginLockState {
    plugins: Record<string, PluginLockEntry>;
}
export interface PluginRuntimeEntry {
    enabled: boolean;
    active_version: string;
    updated_at: string;
}
export interface PluginRuntimeState {
    plugins: Record<string, PluginRuntimeEntry>;
    active: Partial<Record<PluginComponentKind, string>>;
}
export type PluginAuditEventType = 'install' | 'enable' | 'disable' | 'switch' | 'uninstall' | 'verify' | 'provider_invoked' | 'provider_error' | 'execution_blocked';
export interface PluginAuditEvent {
    type: PluginAuditEventType;
    plugin_id: string;
    version: string;
    timestamp: string;
    message: string;
}
export interface PluginAuditState {
    events: PluginAuditEvent[];
}
export interface PluginStates {
    installed: InstalledPluginsState;
    lock: PluginLockState;
    runtime: PluginRuntimeState;
    audit: PluginAuditState;
}
export interface ActivePluginContextOptions {
    /**
     * Maximum number of characters to include from each installed artifact.
     * Keeps spawned-agent prompts bounded while still proving the static guidance
     * is consumed. Defaults to 12k per artifact.
     */
    maxArtifactChars?: number;
}
export declare function readPluginStates(storage: StorageProvider, stateRoot?: string): Promise<PluginStates>;
export declare function buildActivePluginContext(storage: StorageProvider, stateRoot?: string, options?: ActivePluginContextOptions): Promise<string>;
export declare function writePluginStates(storage: StorageProvider, states: PluginStates, stateRoot?: string): Promise<void>;
export declare function upsertInstalledPlugin(states: PluginStates, manifest: SquadPluginManifest, options: {
    source: string;
    manifestContent: string;
    files: InstalledPluginFile[];
    now?: string;
}): InstalledPlugin;
export declare function setPluginEnabled(states: PluginStates, pluginId: string, enabled: boolean, now?: string): InstalledPlugin;
export declare function switchActivePlugin(states: PluginStates, role: PluginComponentKind, pluginId: string, now?: string): InstalledPlugin;
export declare function removeInstalledPlugin(states: PluginStates, pluginId: string, now?: string): InstalledPlugin;
export declare function appendAuditEvent(audit: PluginAuditState, event: PluginAuditEvent): void;
export declare function sha256(content: string | Uint8Array): string;
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