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// @flow

// Note: Do not inherit from Error. It breaks when transpiling to ES5.

export default class ValidationError {
    message: string;
    identifier: ?string;
    line: ?number;

    constructor(key: ?string, value: ?{ __line__: number }, message: string, identifier: ?string) {
        this.message = (key ? `${key}: ` : '') + message;
        if (identifier) this.identifier = identifier;

        if (value !== null && value !== undefined && value.__line__) {
            this.line = value.__line__;
        }
    }
}