import { Call, FunctionJp, Statement, WrapperStmt } from "@specs-feup/clava/api/Joinpoints.js";
import { AdvancedTransform } from "../AdvancedTransform.js";
export declare class Outliner extends AdvancedTransform {
    private defaultPrefix;
    constructor(silent?: boolean);
    /**
     * Sets the prefix used for the autogenerated names of the outlined functions
     * @param {string} prefix - the prefix to be used
     */
    setDefaultPrefix(prefix: string): void;
    /**
     * Applies function outlining to a code region delimited by two statements.
     * Function outlining is the process of removing a section of code from a function and placing it in a new function.
     * The beginning and end of the code region must be at the same scope level.
     * @param {statement} begin - the first statement of the outlining region
     * @param {statement} end - the last statement of the outlining region
     * @returns an array with the joinpoints of the outlined function and the call to it.
     * These values are merely references, and all changes have already been committed to the AST at this point
     */
    outline(begin: Statement, end: Statement, outlineAllDecls?: boolean): [FunctionJp, Call] | [null, null];
    outlineWithWrappers(begin: WrapperStmt, end: WrapperStmt, outlineAllDecls?: boolean): [FunctionJp, Call] | [null, null];
    /**
     * Applies function outlining to a code region delimited by two statements.
     * Function outlining is the process of removing a section of code from a function and placing it in a new function.
     * The beginning and end of the code region must be at the same scope level.
     * @param {statement} begin - the first statement of the outlining region
     * @param {statement} end - the last statement of the outlining region
     * @param {string} functionName - the name to give to the outlined function
     * @returns an array with the joinpoints of the outlined function and the call to it.
     * These values are merely references, and all changes have already been committed to the AST at this point
     */
    outlineWithName(begin: Statement, end: Statement, functionName: string, outlineAllDecls?: boolean): [FunctionJp, Call] | [null, null];
    private transformPointerReassignments;
    private flattenScopes;
    private removeContinues;
    private removeBreaks;
    private removeRedundancies;
    /**
     * Verifies if a code region can undergo function outlining.
     * This check is performed automatically by the outliner itself, but it can be invoked manually if desired.
     * @param {statement} begin - the first statement of the outlining region
     * @param {statement} end - the last statement of the outlining region
     * @returns true if the outlining region is valid, false otherwise
     */
    checkOutline(begin: Statement, end: Statement): boolean;
    private checkOutOfRegionGotos;
    private ensureVoidReturn;
    private wrapBeginAndEnd;
    private findGlobalVars;
    private createCall;
    private createArgs;
    private createFunction;
    private findNonvoidReturnStmts;
    private scalarsToPointers;
    private createParams;
    private findRefsInRegion;
    private declInPath;
    private isValidVarref;
    private findDeclsWithDependency;
    private splitRegions;
    private generateFunctionName;
}
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