import { Capabilities, Capability } from "./capability";
import { Dependency } from "./dependency";
import { Target } from "./target";
import { File } from "./file";
export interface PackageData {
    name: string;
    target: Target;
    sources: File[];
    native_sources: File[];
    dependencies: Dependency[];
    capabilities: {
        requires: Set<Capability>;
        provides: Set<Capability>;
    };
}
export declare class CrochetPackage {
    readonly filename: string;
    private data;
    readonly root: string;
    constructor(filename: string, data: PackageData);
    get name(): string;
    get target(): Target;
    sources_for(target: Target): string[];
    native_sources_for(target: Target): string[];
    dependencies_for(target: Target): Dependency[];
    get capabilities(): {
        requires: Set<string>;
        provides: Set<string>;
    };
    get required_capabilities(): Set<string>;
    relative_filename(filename: string): string;
    allows(x: Capability): boolean;
    resolve(source: string): string;
    restricted_to(target: Target): RestrictedCrochetPackage;
    static get spec(): import("../../utils").SpecFun<(filename: string) => CrochetPackage>;
    static parse(x: any, filename: string): CrochetPackage;
    static empty(filename: string, capabilities: Capabilities, dependencies: string[]): CrochetPackage;
}
export declare class RestrictedCrochetPackage extends CrochetPackage {
    readonly target_restriction: Target;
    constructor(target_restriction: Target, pkg: CrochetPackage);
    get sources(): string[];
    get native_sources(): string[];
    get dependencies(): Dependency[];
}