import type { ClassBase, CxxAstNode, CxxAstNodePositionSource, CxxPosition } from './ArkCxxAstNode';
import { AstKind, CxxAccess, CxxBaseFlag, CxxFoldOp, CxxNodeFlag, CxxOpcode, CxxStorageClass, CxxTagUsed, CxxValueCategory } from './ArkCxxAstNode';
/**
 * Returns extensions for C/C++ implementation and header files used across the C++ frontend
 * (scanning, SceneConfig defaults, language detection).
 */
export declare function getCxxSourceFileExtensions(): readonly string[];
/** Returns a read-only set for fast C/C++ source/header extension checks. */
export declare function getCxxSourceFileExtensionSet(): ReadonlySet<string>;
/** Returns a read-only set for fast C/C++ header extension checks. */
export declare function getCxxHeaderFileExtensionSet(): ReadonlySet<string>;
/**
 * Returns extensions for C/C++ translation units only (no headers), e.g. for IR passes that
 * walk implementation files.
 */
export declare function getCxxImplementationFileExtensions(): readonly string[];
/** Returns a read-only set for fast C/C++ implementation-file checks. */
export declare function getCxxImplementationFileExtensionSet(): ReadonlySet<string>;
/** True when `node.nodeFlags` contains all bits in `flag`. */
export declare function hasNodeFlag(node: CxxAstNode, flag: CxxNodeFlag): boolean;
/** True when `base.baseFlags` contains all bits in `flag`. */
export declare function hasBaseFlag(base: ClassBase, flag: CxxBaseFlag): boolean;
export declare function getNodeAt(node: CxxAstNode, index: number): CxxAstNode | undefined;
/** Get the starting line and column numbers of the ast node, Default LineColPosition is (0, 0). */
export declare function getNodeStartLineAndCol(node: CxxAstNodePositionSource): CxxPosition;
/** Reverse-map numeric enum id to Clang name string (logs / legacy APIs). */
export declare function astKindToString(kind: AstKind): string;
export declare function cxxTagUsedToString(tag: CxxTagUsed): string;
export declare function cxxStorageClassToString(sc: CxxStorageClass): string;
export declare function cxxAccessToString(access: CxxAccess): string;
export declare function cxxValueCategoryToString(vc: CxxValueCategory): string;
export declare function cxxFoldOpToString(op: CxxFoldOp): string;
export declare function cxxOpcodeToString(op: CxxOpcode): string;
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