import type { CompletionContext, CompletionResult, CompletionSource } from '@codemirror/autocomplete';
import type { VirtualTypeScriptEnvironment } from '@typescript/vfs';
import type { TypeScriptConfig } from '../types';
/**
 * Create a `CompletionSource` that queries
 * the _on-thread_ TypeScript environments for autocompletions
 * at this character.
 */
export declare function tsAutocomplete(config: TypeScriptConfig): CompletionSource;
export declare function getAutocompletion({ env, path, context, }: {
    env: VirtualTypeScriptEnvironment;
    path: string;
    /**
     * Allow this to be a subset of the full CompletionContext
     * object, because the raw object isn't serializable.
     */
    context: Pick<CompletionContext, 'pos' | 'explicit'>;
}): Promise<CompletionResult | null>;