import type { CompletionLogger, CompletionsClientConfig } from '../sourcegraph-api/completions/client';
import type { CompletionParameters, CompletionResponse, SerializedCompletionParameters } from '../sourcegraph-api/completions/types';
import type { BrowserOrNodeResponse } from '../sourcegraph-api/graphql/client';
/**
 * Marks the yielded value as an incomplete response.
 *
 * TODO: migrate to union of multiple `CompletionResponse` types to explicitly document
 * all possible response types.
 */
export declare enum CompletionStopReason {
    /**
     * Used to signal to the completion processing code that we're still streaming.
     * Can be removed if we make `CompletionResponse.stopReason` optional. Then
     * `{ stopReason: undefined }` can be used instead.
     */
    StreamingChunk = "cody-streaming-chunk",
    RequestAborted = "cody-request-aborted",
    RequestFinished = "cody-request-finished"
}
export type CodeCompletionsParams = Omit<CompletionParameters, 'fast'> & {
    timeoutMs: number;
};
export type SerializedCodeCompletionsParams = Omit<SerializedCompletionParameters, 'fast'>;
export type CompletionResponseWithMetaData = {
    /**
     * The code completions backend API response.
     */
    completionResponse?: CompletionResponse;
    metadata?: {
        /**
         * Yield response from HTTP clients to a logic shared across providers to
         * extract metadata required for analytics in one place.
         */
        response?: BrowserOrNodeResponse;
    };
};
export type CompletionResponseGenerator = AsyncGenerator<CompletionResponseWithMetaData, CompletionResponseWithMetaData>;
export interface CodeCompletionProviderOptions {
    customHeaders?: Record<string, string>;
}
export interface CodeCompletionsClient<T = CodeCompletionsParams, ProviderSpecificOptions = CodeCompletionProviderOptions> {
    logger: CompletionLogger | undefined;
    complete(params: T, abortController: AbortController, providerOptions?: ProviderSpecificOptions): CompletionResponseGenerator;
    onConfigurationChange(newConfig: CompletionsClientConfig): void;
}
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