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import { Maybe } from '../jsutils/Maybe';
import { ValueNode } from '../language/ast';
import { GraphQLInputType } from '../type/definition';
/**
* Produces a JavaScript value given a GraphQL Value AST.
*
* A GraphQL type must be provided, which will be used to interpret different
* GraphQL Value literals.
*
* Returns `undefined` when the value could not be validly coerced according to
* the provided type.
*
* | GraphQL Value | JSON Value |
* | -------------------- | ------------- |
* | Input Object | Object |
* | List | Array |
* | Boolean | Boolean |
* | String | String |
* | Int / Float | Number |
* | Enum Value | Mixed |
* | NullValue | null |
*
*/
export function valueFromAST(
valueNode: Maybe<ValueNode>,
type: GraphQLInputType,
variables?: Maybe<{ [key: string]: any }>,
): any;
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