import type * as Malloy from '@malloydata/malloy-interfaces';
import { ExpressionDef } from '../types/expression-def';
import type { FieldSpace } from '../types/field-space';
import type { ExprValue } from '../types/expr-value';
export declare class ExprString extends ExpressionDef {
    elementType: string;
    value: string;
    constructor(src: string);
    getExpression(_fs: FieldSpace): ExprValue;
    getStableLiteral(): Malloy.LiteralValue;
}