/**
 * Convert a stack-frame file value into a fetchable HTTP(S) URL.
 * React Native can omit the scheme for development-server URLs.
 */
export declare function toHttpUrl(fileUrl: string): URL | undefined;
export declare function getRemoteSource(fileUrl: string): {
    file: string;
    origin: string;
} | undefined;
export declare function openRemoteStackFrame(fileUrl: string, lineNumber: number): Promise<boolean>;
/**
 * Fetch the source map explicitly declared by a bundle served by another
 * development server. Results and misses are cached briefly because React
 * Native usually sends call-stack and component-stack requests together.
 */
export declare function fetchSourceMapFromBundle(fileUrl: string): Promise<Buffer | undefined>;