import { type Type } from '@frontmcp/di';
import { type ParsedPackageSpecifier } from '../../esm-loader/package-specifier';
import { type ToolContext } from '../interfaces';
import { type EsmOptions, type RemoteAuthConfig, type RemoteTransportOptions, type ToolMetadata } from '../metadata';
export declare enum ToolKind {
    CLASS_TOKEN = "CLASS_TOKEN",
    FUNCTION = "FUNCTION",
    ESM = "ESM",
    REMOTE = "REMOTE"
}
export type ToolClassTokenRecord = {
    kind: ToolKind.CLASS_TOKEN;
    provide: Type<ToolContext>;
    metadata: ToolMetadata;
};
export type ToolFunctionTokenRecord = {
    kind: ToolKind.FUNCTION;
    provide: (...args: any[]) => any | Promise<any>;
    metadata: ToolMetadata;
};
export type ToolEsmRecord = {
    kind: ToolKind.ESM;
    provide: string;
    specifier: ParsedPackageSpecifier;
    metadata: ToolMetadata;
};
/** Single named tool loaded from an npm package at runtime */
export type ToolEsmTargetRecord = {
    kind: ToolKind.ESM;
    provide: symbol;
    specifier: ParsedPackageSpecifier;
    /** Which tool to load from the package */
    targetName: string;
    options?: EsmOptions;
    metadata: ToolMetadata;
};
/** Single named tool proxied from a remote MCP server */
export type ToolRemoteRecord = {
    kind: ToolKind.REMOTE;
    provide: symbol;
    /** Remote MCP server URL */
    url: string;
    /** Which tool to proxy */
    targetName: string;
    transportOptions?: RemoteTransportOptions;
    remoteAuth?: RemoteAuthConfig;
    metadata: ToolMetadata;
};
export type ToolRecord = ToolClassTokenRecord | ToolFunctionTokenRecord | ToolEsmRecord | ToolEsmTargetRecord | ToolRemoteRecord;
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