/**
 * Backend AST utility functions
 *
 * Helpers for extracting information from C# AST nodes without
 * going through the printer.
 */
import type { CSharpExpressionAst, CSharpPredefinedTypeKeyword, CSharpQualifiedNameAst, CSharpTypeAst } from "./types.js";
export declare const CSHARP_PREDEFINED_TYPE_KEYWORDS: Set<CSharpPredefinedTypeKeyword>;
export declare const isCSharpPredefinedTypeKeyword: (name: string) => name is CSharpPredefinedTypeKeyword;
/**
 * Extract a dotted name string from a C# expression AST.
 *
 * Handles identifierExpression, memberAccessExpression, and parenthesized
 * wrappers. Used for specialization name generation, int-cast analysis,
 * and diagnostic messages where a human-readable name is needed.
 *
 * Falls back to `<kind>` for unrecognized shapes (should not occur in
 * practice for callee/type-name positions).
 */
export declare const extractCalleeNameFromAst: (ast: CSharpExpressionAst) => string;
export declare const stripNullableTypeAst: (type: CSharpTypeAst) => CSharpTypeAst;
export declare const globallyQualifyTypeAst: (type: CSharpTypeAst) => CSharpTypeAst;
export declare const getIdentifierTypeName: (type: CSharpTypeAst) => string | undefined;
export declare const getIdentifierTypeLeafName: (type: CSharpTypeAst) => string | undefined;
export declare const normalizeClrQualifiedName: (clrName: string, forceGlobal?: boolean) => string;
export declare const clrTypeNameToTypeAst: (clrName: string) => CSharpTypeAst;
export declare const stableTypeKeyFromAst: (type: CSharpTypeAst) => string;
export declare const stableConcreteTypeKeyFromAst: (type: CSharpTypeAst) => string;
export declare const stableClrIdentityKeyFromName: (clrName: string, typeArgumentArity?: number) => string;
export declare const astTypeMatchesClrIdentity: (type: CSharpTypeAst, clrNames: Iterable<string>, typeArgumentArity?: number) => boolean;
export declare const clrNameMatchesClrIdentity: (clrName: string | undefined, expectedClrNames: Iterable<string>, typeArgumentArity?: number) => boolean;
export declare const sameTypeAstSurface: (left: CSharpTypeAst, right: CSharpTypeAst) => boolean;
export declare const sameConcreteTypeAstSurface: (left: CSharpTypeAst, right: CSharpTypeAst) => boolean;
export declare const stableIdentifierSuffixFromTypeAst: (type: CSharpTypeAst) => string;
export declare const qualifiedNameToString: (name: CSharpQualifiedNameAst) => string;
export declare const qualifiedNameLeaf: (name: CSharpQualifiedNameAst) => string;
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