langextract/dist/resolver.d.ts

A TypeScript library for extracting structured and grounded information from text using LLMs

/**
 * Copyright 2025 kmbro.
 *
 * This is a TypeScript translation of the original Python LangExtract library
 * by Google LLC (https://github.com/google/langextract).
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
import { Extraction, FormatType } from "./types";
import { Constraint } from "./schema";
export declare class ResolverParsingError extends Error {
    constructor(message: string);
}
export interface AbstractResolver {
    fenceOutput: boolean;
    formatType: FormatType;
    resolve(inputText: string, options?: ResolveOptions): Extraction[];
    align(extractions: Extraction[], sourceText: string, tokenOffset: number, charOffset?: number, enableFuzzyAlignment?: boolean, fuzzyAlignmentThreshold?: number, acceptMatchLesser?: boolean): Extraction[];
}
export interface ResolveOptions {
    suppressParseErrors?: boolean;
    [key: string]: any;
}
export declare class Resolver implements AbstractResolver {
    private _fenceOutput;
    private _constraint;
    private _formatType;
    private extractionIndexSuffix?;
    private extractionAttributesSuffix;
    constructor(options?: {
        fenceOutput?: boolean;
        extractionIndexSuffix?: string;
        extractionAttributesSuffix?: string;
        constraint?: Constraint;
        formatType?: FormatType;
    });
    get fenceOutput(): boolean;
    set fenceOutput(value: boolean);
    get formatType(): FormatType;
    set formatType(value: FormatType);
    resolve(inputText: string, options?: ResolveOptions): Extraction[];
    align(extractions: Extraction[], sourceText: string, tokenOffset: number, charOffset?: number, enableFuzzyAlignment?: boolean, fuzzyAlignmentThreshold?: number): Extraction[];
    private extractAndParseContent;
    private stringToExtractionData;
    private extractOrderedExtractions;
    private alignSingleExtraction;
    private findExactMatch;
    private findFuzzyMatch;
    private tokenToCharInterval;
}
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