import type { RuleContext, ASTNode } from '../../types';
import type * as TS from 'typescript';
export type TypeScript = typeof TS;
export type { TS };
export type TSTools = {
    service: {
        esTreeNodeToTSNodeMap: ReadonlyMap<unknown, TS.Node>;
        tsNodeToESTreeNodeMap: ReadonlyMap<TS.Node, ASTNode>;
        program: TS.Program;
        hasFullTypeInformation: boolean;
    };
    ts: TypeScript;
};
export declare function getTypeScriptTools(context: RuleContext): TSTools | null;
export declare function getTypeScript(context: RuleContext): TypeScript | null;
export declare function isTruthyLiteral(type: TS.Type, tsTools: TSTools): boolean;
export declare function isFalsyType(type: TS.Type, tsTools: TSTools): boolean;
export declare function isNullishType(type: TS.Type, ts: TypeScript): boolean;
export declare function isNullableType(type: TS.Type, ts: TypeScript): boolean;
export declare function isBooleanLiteralType(type: TS.Type, ts: TypeScript): boolean;
export declare function isObjectType(type: TS.Type, ts: TypeScript): type is TS.ObjectType;
export declare function isReferenceObjectType(type: TS.Type, ts: TypeScript): type is TS.TypeReference;
export declare function isTupleObjectType(type: TS.Type, ts: TypeScript): type is TS.TupleType;
export declare function isTupleType(type: TS.Type, ts: TypeScript): boolean;
export declare function isAnyType(type: TS.Type, ts: TypeScript): boolean;
export declare function isUnknownType(type: TS.Type, ts: TypeScript): boolean;
export declare function isNeverType(type: TS.Type, ts: TypeScript): boolean;
export declare function isUndefinedType(type: TS.Type, ts: TypeScript): boolean;
export declare function isVoidType(type: TS.Type, ts: TypeScript): boolean;
export declare function isNullType(type: TS.Type, ts: TypeScript): boolean;
export declare function isPossiblyFalsyType(type: TS.Type, ts: TypeScript): boolean;
export declare function getCallSignaturesOfType(type: TS.Type): readonly TS.Signature[];
export declare function getConstrainedTypeAtLocation(checker: TS.TypeChecker, node: TS.Node): TS.Type;
export declare function getTypeName(type: TS.Type, tsTools: TSTools): string;
export declare function getTypeOfPropertyOfType(type: TS.Type, name: string, checker: TS.TypeChecker): TS.Type | undefined;