import { FunctionJp, Joinpoint, Vardecl, Varref } from "@specs-feup/clava/api/Joinpoints.js";
/**
 * Retrieves all variable references qualified as "volatile" starting from the given joinpoint
 * @param $jp Starting joinpoint
 * @returns Array of variable references qualified as volatile
 */
export declare function getVolatileVarRefs($jp: Joinpoint): Varref[];
/**
 * Retrieves all external references of the given variable
 *
 * @param $varDecl variable to match by name.
 * @returns Array of external references with the same name as the given variable.
 */
export declare function findExternalVarRefs($varDecl: Vardecl): Vardecl[];
/**
 * Identifies functions in the same file that reference the specified variable declaration
 *
 * @param $jp The variable declaration
 * @returns An array of functions that reference the variable
 */
export declare function findReferencingFunctions($jp: Vardecl): FunctionJp[];
/**
 * Finds duplicate definitions of the given variable declaration among external linkage variables
 *
 * @param $jp The variable declaration to evaluate
 * @returns An array of variable declarations representing duplicates
 */
export declare function findDuplicateVarDefinition($jp: Vardecl): Vardecl[];
/**
 * Checks whether two joinpoints represent the same variable declaration by comparing identifier name, type, and external linkage
 *
 * @param $jp1 The first join point
 * @param $jp2 The second join point
 * @returns True if both are equivalent external variable declarations, false otherwise
 */
export declare function isSameVarDecl($jp1: Joinpoint, $jp2: Joinpoint): boolean;
/**
 * Checks if the given variable has multiple external linkage declarations across different files
 *
 * @param $jp The variable declaration to evaluate
 * @returns True if multiple external declarations exist, false otherwise
 */
export declare function hasMultipleExternalLinkDeclarations($jp: Vardecl): boolean;
/**
 * Checks whether the given variable declaration is used in its file or in files that include its header.
 *
 * @param varDecl The variable declaration to check
 * @returns True if the variable is referenced, false otherwise
 */
export declare function isVarUsed(varDecl: Vardecl): boolean;
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