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14 lines
486 B
14 lines
486 B
5 months ago
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import type { ASTVisitor } from '../../language/visitor';
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import type { ValidationContext } from '../ValidationContext';
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/**
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* Subscriptions must only include a non-introspection field.
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*
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* A GraphQL subscription is valid only if it contains a single root field and
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* that root field is not an introspection field.
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*
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* See https://spec.graphql.org/draft/#sec-Single-root-field
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*/
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export declare function SingleFieldSubscriptionsRule(
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context: ValidationContext,
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): ASTVisitor;
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