import type { EmitTarget } from "../lib.js";
import type { TypeNode } from "./ast.js";
export type NamespaceTarget = "typescript" | "python" | "csharp" | "java" | "go" | "rust" | "swift" | "markdown";
export interface NamespaceProjection {
    target: NamespaceTarget;
    sourceNamespace: string;
    semanticRoot: string;
    relativeNamespace: string[];
    isOutsideSemanticRoot: boolean;
    targetNamespace?: string;
    packageName?: string;
    moduleName?: string;
    importPath?: string;
    filesystemPath: string[];
    filesystemPathKind: "root-relative" | "package" | "flat";
    symbolPrefix?: string;
}
export interface NamespaceProjectionOptions {
    target: NamespaceTarget;
    sourceNamespace: string;
    semanticRoot?: string;
    emitTarget?: Pick<EmitTarget, "namespace" | "package-name" | "import-path" | "namespace-output">;
}
export interface NamespaceGroupSnapshot {
    node: TypeNode;
    group: string;
}
export type NamespaceOutputMode = "structural" | "flat";
export declare function projectNamespace(options: NamespaceProjectionOptions): NamespaceProjection;
export declare function relativeNamespaceSegments(sourceNamespace: string, semanticRoot: string): string[];
export declare function applyNamespaceGroups(nodes: Iterable<TypeNode>, options: {
    target: NamespaceTarget;
    semanticRoot?: string;
    emitTarget?: Pick<EmitTarget, "namespace" | "package-name" | "import-path" | "namespace-output">;
    namespaceOutput?: NamespaceOutputMode;
}): NamespaceGroupSnapshot[];
export declare function resolveNamespaceOutputMode(options: {
    namespaceOutput?: NamespaceOutputMode;
    emitTarget?: Pick<EmitTarget, "namespace-output">;
}): NamespaceOutputMode;
export declare function restoreNamespaceGroups(snapshots: Iterable<NamespaceGroupSnapshot>): void;
export declare function relativeNamespaceProjection(sourceNamespace: string, semanticRoot: string): {
    segments: string[];
    isOutsideSemanticRoot: boolean;
};
export declare function javaPackageName(namespace: string): string;
export declare function goPackageNameFromNamespace(namespace: string): string;
export declare function swiftModuleName(rawName: string): string;