import ts from "typescript";
import { result } from "@valbuild/core/fp";
import { JSONValue } from "@valbuild/core/patch";
export declare class ValSyntaxError {
    message: string;
    node: ts.Node;
    constructor(message: string, node: ts.Node);
}
export type ValSyntaxErrorTree = ValSyntaxError | [ValSyntaxErrorTree, ...ValSyntaxErrorTree[]];
export declare function flattenErrors(tree: ValSyntaxErrorTree): [ValSyntaxError, ...ValSyntaxError[]];
export declare function flatMapErrors<T>(tree: ValSyntaxErrorTree, cb: (error: ValSyntaxError) => T): [T, ...T[]];
export declare function formatSyntaxError(error: ValSyntaxError, sourceFile: ts.SourceFile): string;
export declare function formatSyntaxErrorTree(tree: ValSyntaxErrorTree, sourceFile: ts.SourceFile): string[];
type LiteralPropertyName = (ts.Identifier | ts.StringLiteral | ts.NumericLiteral) & {
    /**
     * The text property of a LiteralExpression stores the interpreted value of the literal in text form. For a StringLiteral,
     * or any literal of a template, this means quotes have been removed and escapes have been converted to actual characters.
     * For a NumericLiteral, the stored value is the toString() representation of the number. For example 1, 1.00, and 1e0 are all stored as just "1".
     * https://github.com/microsoft/TypeScript/blob/4b794fe1dd0d184d3f8f17e94d8187eace57c91e/src/compiler/types.ts#L2127-L2131
     */
    name: string;
};
type LiteralPropertyAssignment = ts.PropertyAssignment & {
    name: LiteralPropertyName;
};
/**
 * Validates that the expression is a JSON compatible type of expression without
 * validating its children.
 */
export declare function shallowValidateExpression(value: ts.Expression): ValSyntaxError | undefined;
/**
 * Validates that the expression is JSON compatible.
 */
export declare function deepValidateExpression(value: ts.Expression): result.Result<void, ValSyntaxErrorTree>;
/**
 * Evaluates the expression as a JSON value
 */
export declare function evaluateExpression(value: ts.Expression): result.Result<JSONValue, ValSyntaxErrorTree>;
export declare function findObjectPropertyAssignment(value: ts.ObjectLiteralExpression, key: string): result.Result<LiteralPropertyAssignment | undefined, ValSyntaxErrorTree>;
export declare function validateInitializers(nodes: ReadonlyArray<ts.Expression>): ValSyntaxErrorTree | undefined;
export {};