import { AndroidTargetName, AppleTargetName } from "./targets.js";
export declare function joinPathAndAssertExistence(...pathSegments: string[]): string;
export declare function ensureCargo(): void;
/**
 * Determine the name of the crate's "cdylib" target, without building anything,
 * by asking cargo for its metadata. This matches the basename a full build would
 * produce (e.g. "ferric_example" for a crate named "ferric-example"), since cargo
 * normalizes the crate name (dashes to underscores) for the compiled artifact.
 */
export declare function determineCargoLibraryName(cwd: string): string;
type BuildOptions = {
    configuration: "debug" | "release";
    verbose: boolean;
} & ({
    target: AndroidTargetName;
    ndkVersion: string;
    androidApiLevel: number;
} | {
    target: AppleTargetName;
    ndkVersion?: never;
    androidApiLevel?: number;
});
export declare function build(options: BuildOptions): Promise<string>;
export declare function getLLVMToolchainBinPath(ndkPath: string): string;
export declare function getTargetAndroidArch(target: AndroidTargetName): string;
export declare function getTargetAndroidPlatform(target: AndroidTargetName): "androideabi24" | "android24";
export declare function getWeakNodeApiFrameworkPath(target: AppleTargetName): string;
export declare function getWeakNodeApiAndroidLibraryPath(target: AndroidTargetName): string;
export declare function getTargetEnvironmentVariables({ target, ndkVersion, androidApiLevel, }: BuildOptions): Record<string, string>;
export {};
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