import type { ExternalSignatureMap } from './ecosystem-signatures.js';
import { type ExternalBoundary, type ExternalImportBinding, type SidecarManifest, type SidecarPackage } from './external-boundary.js';
import type { ExternalImportRegistry, ExternalImportTarget } from './import-metadata.js';
import type { IRNode } from './types.js';
export interface ExternalNamedBinding {
    name: string;
    alias: string;
}
export type ExternalImportSymbolKind = 'module' | 'function' | 'type' | 'sideEffect';
export interface ExternalImportSymbol {
    localName: string;
    kind: ExternalImportSymbolKind;
    package: string;
    registry: ExternalImportRegistry;
    target: ExternalImportTarget;
    targetFamily: 'all' | 'ts' | 'python' | 'none';
    from?: string;
    sourceName?: string;
    signature?: string;
    signatures?: ExternalSignatureMap;
    sidecarName?: string;
    runtime?: string;
    boundary?: ExternalBoundary;
    binding?: ExternalImportBinding;
    line?: number;
    col?: number;
}
export interface ExternalImportSymbolTable {
    symbols: ExternalImportSymbol[];
    byLocalName: Map<string, ExternalImportSymbol>;
    byPackage: Map<string, ExternalImportSymbol[]>;
    conflicts: ExternalImportSymbolConflict[];
}
export interface ExternalImportSymbolConflict {
    localName: string;
    symbols: ExternalImportSymbol[];
}
export interface ExternalSignatureDiagnostic {
    package: string;
    registry: ExternalImportRegistry;
    name: string;
    reason: 'not-imported';
    line?: number;
    col?: number;
}
export declare function parseExternalNamedBinding(raw: string): ExternalNamedBinding | null;
export declare function signatureMapForSidecarPackage(sidecarPackage: SidecarPackage): ExternalSignatureMap;
export declare function collectExternalImportSymbols(root: IRNode): ExternalImportSymbolTable;
export declare function buildExternalImportSymbolTable(boundaries: ExternalBoundary[], sidecarManifests?: SidecarManifest[]): ExternalImportSymbolTable;
export declare function externalSignatureDiagnostics(root: IRNode): ExternalSignatureDiagnostic[];