import type { DefaultRuntimeTransport } from './default-runtime.js';
export interface ImplicitRuntimeOptions {
    pathToQoderCLIExecutable?: string;
    executable?: string;
    executableArgs?: readonly string[];
    spawnQoderCLIProcess?: unknown;
}
export type ImplicitRuntimeSelection = {
    transport: 'process';
} | {
    transport: 'worker';
    pathToQoderWorkerRuntime?: string;
};
/**
 * Distinguish a Qoder Worker entry from a CLI native binary or script entry.
 * Unrecognized JavaScript paths remain process CLI entries for compatibility.
 */
export declare function isQoderWorkerRuntimePath(candidate: string): boolean;
/**
 * Select the local runtime when the caller has not supplied an explicit
 * transport provider. Explicit paths and process-only launch options override
 * the transport baked into the SDK package.
 */
export declare function resolveImplicitRuntimeSelection(options: ImplicitRuntimeOptions, packageDefault: DefaultRuntimeTransport, environment?: NodeJS.ProcessEnv): ImplicitRuntimeSelection;