export declare const SOURCE_EXTENSIONS: string[];
type Extension = {
    source: string;
    output: string;
};
type ExplicitExtension = {
    source: string;
} & ({
    output: string;
} | {
    emitted: Extension[];
});
type Options = {
    filepath: string;
    specifier: string;
    extensions: Extension[];
    explicitExtensions?: ExplicitExtension[];
    platforms?: string[];
};
export declare const resolveModuleSpecifier: ({ filepath, specifier, extensions, explicitExtensions, platforms, }: Options) => string;
export {};