import { EmitContext } from "@typespec/compiler";
import { EmitTarget, TypraEmitterOptions } from "./lib.js";
import { TypeNode } from "./ir/ast.js";
import { CallableDispatch } from "./ir/callable.js";
import { ToolchainMetadata } from "./compatibility.js";
export interface ExportSurfaceMethod {
    name: string;
    returns: string;
    params: Record<string, string>;
    optional: boolean;
    sync: boolean;
    runtimeCancellable: boolean;
    atomic: boolean;
    nonFatal: boolean;
}
export interface ExportSurfaceProtocol {
    name: string;
    group: string;
    symbol: string;
    source: string;
    methods: ExportSurfaceMethod[];
    /** Present when the seam interface is decorated with `@dispatch`. */
    dispatch?: CallableDispatch;
}
export interface ExportSurfaceEntry {
    name: string;
    kind: "type" | "value";
    group: string;
    source: string;
    protocol: boolean;
}
export interface ExportSurfaceGroup {
    name: string;
    exports: string[];
    modules: string[];
}
export interface TargetExportSurface {
    target: string;
    outputRoot: string;
    packageName?: string;
    namespace?: string;
    rootExports: string[];
    exports: ExportSurfaceEntry[];
    groups: ExportSurfaceGroup[];
    protocols: ExportSurfaceProtocol[];
    modules: string[];
}
export interface ExportSurfaceSnapshot {
    emitter: "typra-emitter";
    version: 1;
    toolchain: ToolchainMetadata;
    root: {
        object: string;
        namespace: string;
        alias: string;
    };
    targets: TargetExportSurface[];
}
export declare function buildExportSurfaceSnapshot(rootObject: string, rootNamespace: string, rootAlias: string, targets: EmitTarget[], nodes: TypeNode[], toolchain?: ToolchainMetadata): ExportSurfaceSnapshot;
export declare function emitExportSurfaceSnapshot(context: EmitContext<TypraEmitterOptions>, snapshot: ExportSurfaceSnapshot): Promise<void>;