import type { string_agent_url } from '../../types/string_agent_url';
import type { string_book } from './string_book';
import type { AgentReferenceResolver } from './AgentReferenceResolver';
/**
 * Shared options for resolving one agent source with inheritance and imports applied.
 *
 * @private internal utility of agent source resolution
 */
export type ResolveInheritedAgentSourceOptions = {
    /** Current recursion depth, forwarded to the source importer. */
    readonly recursionLevel?: number;
    /**
     * The URL of the Adam agent to use as the default ancestor
     *
     * @default 'https://core.ptbk.io/agents/adam'
     */
    readonly adamAgentUrl?: string_agent_url;
    /**
     * Custom resolver used to expand compact agent references.
     */
    readonly agentReferenceResolver?: AgentReferenceResolver;
    /**
     * Canonical URL of the currently resolved agent.
     */
    readonly currentAgentUrl?: string_agent_url;
    /**
     * Additional equivalent URLs that should be treated as the current agent while detecting cycles.
     */
    readonly currentAgentAliases?: ReadonlyArray<string_agent_url>;
    /**
     * Already visited agent URLs in the current resolution stack.
     */
    readonly inheritancePath?: ReadonlyArray<string_agent_url>;
    /**
     * Source importer supplied by the host application.
     */
    readonly agentSourceImporter: AgentSourceImporter;
};
/**
 * Context passed to a custom agent source importer.
 *
 * @private internal utility of agent source resolution
 */
export type AgentSourceImporterContext = {
    /**
     * Commitment that requested the imported source.
     */
    readonly commitmentType: 'FROM' | 'IMPORT';
    /**
     * Import options propagated from the current resolution pass.
     */
    readonly importAgentOptions: {
        readonly recursionLevel?: number;
        readonly inheritancePath?: ReadonlyArray<string_agent_url>;
    };
};
/**
 * Loads and recursively resolves one referenced agent using the caller's transport.
 *
 * @private internal utility of agent source resolution
 */
export type AgentSourceImporter = (agentUrl: string_agent_url, context: AgentSourceImporterContext) => Promise<string_book>;
/**
 * Resolves agent source with inheritance (FROM commitment)
 *
 * It recursively fetches the parent agent source and merges it with the current source.
 *
 * @param agentSource The initial agent source
 * @returns The resolved agent source with inheritance applied
 *
 * @private internal utility of agent source resolution
 */
export declare function resolveInheritedAgentSource(agentSource: string_book, options: ResolveInheritedAgentSourceOptions): Promise<string_book>;