import type { Capability } from "./types.js";
import type { PublicIndexResult } from "./public-index.js";
import { type CapabilityTrustAssessment, type CapabilityTrustPolicy } from "./trust.js";
export type NpmPackageVerification = {
    registrySignatureVerified: boolean;
    provenanceVerified: boolean;
    provider: string;
    verifiedAt: string;
    attestation?: string;
};
export type InstalledCapabilityPackage = {
    packageJsonPath: string;
    root: string;
    packageName: string;
    packageVersion: string;
    packageIntegrity?: string;
    repository?: string;
    commit?: string;
    verification?: NpmPackageVerification;
};
export interface CapabilityPackageInstaller {
    install(packageName: string, packageVersion: string): Promise<InstalledCapabilityPackage>;
}
export type NpmPackageInstallerOptions = {
    directory?: string;
    npmCommand?: string;
    registry?: string;
    timeoutMs?: number;
    verifySignatures?: boolean;
};
export declare class NpmPackageInstaller implements CapabilityPackageInstaller {
    private readonly options;
    constructor(options?: NpmPackageInstallerOptions);
    install(packageName: string, packageVersion: string): Promise<InstalledCapabilityPackage>;
}
export declare class VerifiedNpmPackageInstaller extends NpmPackageInstaller {
    constructor(options?: Omit<NpmPackageInstallerOptions, "verifySignatures">);
}
export declare function acquireIndexedCapability(result: PublicIndexResult, options?: {
    installer?: CapabilityPackageInstaller;
    trust?: CapabilityTrustPolicy;
    loadCode?: boolean;
}): Promise<{
    capability: Capability;
    installed: InstalledCapabilityPackage;
    trust: CapabilityTrustAssessment;
}>;
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