import * as grpc from '@grpc/grpc-js';
import type { Session } from '../../types/session.js';
export interface ExtendedCall {
    metadata: grpc.Metadata;
    handler?: {
        path: string;
        requestSchema?: {
            parse: (data: unknown) => unknown;
        };
    };
    request?: unknown;
    session?: Session;
    userId?: string;
    username?: string;
    roles?: string[];
    call?: {
        on: (event: string, handler: (error: unknown) => void) => void;
    };
    sendMetadata: (metadata: grpc.Metadata) => void;
    getPeer?: () => string;
}
export type GrpcCallback<T = unknown> = (error: Error | null, response?: T) => void;
export type NextFunction = (call: ExtendedCall, callback: GrpcCallback) => void;
export type InterceptorFunction = (call: ExtendedCall, callback: GrpcCallback, next: NextFunction) => void | Promise<void>;
export interface GrpcError extends Error {
    code: grpc.status;
    details?: unknown;
    metadata?: grpc.Metadata;
}
export interface AuthenticatedServerUnaryCall<RequestType, ResponseType> extends grpc.ServerUnaryCall<RequestType, ResponseType> {
    session?: Session;
    userId?: string;
    username?: string;
    roles?: string[];
}
export interface AuthenticatedServerWritableStream<RequestType, ResponseType> extends grpc.ServerWritableStream<RequestType, ResponseType> {
    session?: Session;
    userId?: string;
    username?: string;
    roles?: string[];
}
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