/**
 * Tool Protection Configuration and Resolution System (Phase 1.5)
 *
 * Enables zero-code tool protection by configuring which tools require delegation
 * through configuration rather than manual code wrapping.
 *
 * Configuration Resolution Priority (highest to lowest):
 * 1. Inline config (passed to runtime) - for testing and overrides
 * 2. Local file (tool-protections.json) - for development
 * 3. AgentShield API - for production (NOT IMPLEMENTED YET)
 */
import type { AuthorizationRequirement } from '@kya-os/contracts/tool-protection';
/**
 * Protection configuration for a single tool
 */
export interface ToolProtectionConfig {
    /** Whether this tool requires delegation authorization */
    requiresDelegation: boolean;
    /** Required scopes for this tool (Phase 1: simple string array) */
    requiredScopes?: string[];
    /** Optional risk level indicator (for AgentShield UI) */
    riskLevel?: 'low' | 'medium' | 'high' | 'critical';
    /** Optional custom authorization URL for this specific tool */
    authorizationUrl?: string;
    /** Authorization method required for this tool (uses contracts type) */
    authorization?: AuthorizationRequirement;
}
/**
 * Map of tool names to their protection configurations
 */
export type ToolProtectionMap = Record<string, ToolProtectionConfig>;
/**
 * Tool protection configuration source
 */
export interface ToolProtectionConfigSource {
    /** Source name for debugging */
    name: string;
    /** Priority level (higher = higher priority) */
    priority: number;
    /** Load the configuration */
    load(): Promise<ToolProtectionMap | null>;
}
/**
 * Inline configuration source (highest priority)
 */
export declare class InlineToolProtectionSource implements ToolProtectionConfigSource {
    private config;
    name: string;
    priority: number;
    constructor(config: ToolProtectionMap);
    load(): Promise<ToolProtectionMap | null>;
}
/**
 * Local file configuration source
 */
export declare class FileToolProtectionSource implements ToolProtectionConfigSource {
    private filePath;
    name: string;
    priority: number;
    constructor(filePath: string);
    load(): Promise<ToolProtectionMap | null>;
}
/**
 * AgentShield API configuration source (lowest priority)
 * NOTE: This is a placeholder for future implementation
 */
export declare class AgentShieldToolProtectionSource implements ToolProtectionConfigSource {
    private apiUrl;
    private agentDid;
    private apiKey?;
    name: string;
    priority: number;
    constructor(apiUrl: string, agentDid: string, apiKey?: string | undefined);
    load(): Promise<ToolProtectionMap | null>;
}
/**
 * Tool protection resolver - merges configs from multiple sources
 */
export declare class ToolProtectionResolver {
    private sources;
    private mergedConfig;
    private debug;
    constructor(options?: {
        debug?: boolean;
    });
    /**
     * Add a configuration source
     */
    addSource(source: ToolProtectionConfigSource): void;
    /**
     * Load and merge all configurations
     */
    resolve(): Promise<ToolProtectionMap>;
    /**
     * Get protection config for a specific tool
     */
    getToolProtection(toolName: string): ToolProtectionConfig | null;
    /**
     * Check if a tool requires delegation
     */
    requiresDelegation(toolName: string): boolean;
    /**
     * Get required scopes for a tool
     */
    getRequiredScopes(toolName: string): string[];
}
/**
 * Create default tool protection resolver
 */
export declare function createToolProtectionResolver(options: {
    /** Inline configuration (highest priority) */
    inline?: ToolProtectionMap;
    /** Local file path (default: tool-protections.json) */
    localFile?: string | false;
    /** AgentShield API configuration */
    agentShield?: {
        apiUrl: string;
        agentDid: string;
        apiKey?: string;
    };
    /** Enable debug logging */
    debug?: boolean;
}): ToolProtectionResolver;