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 * @packageDocumentation
 */
import { MathTrigonometryType, MathStructure, MathVariable } from "semantic-math-editor";
/**
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export declare function unquote(s: string): string;
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export declare function getSympyTrigName(trig: MathTrigonometryType): string;
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export declare function getAnyVariableFromNodes(nodes: MathStructure[]): MathVariable | undefined;
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export declare function getAllVariablesFromNodes(nodes: MathStructure[]): MathVariable[];
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export declare function getAnyVariable(node: MathStructure): MathVariable | undefined;
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export declare function getAllVariables(node: MathStructure, addTo?: Map<string, MathVariable>): Map<string, MathVariable>;