Clarification on Transformation Direction in `decode` Function

declare const transformOrFail: {
  <To extends Schema.Any, From extends Schema.Any, RD, RE>(
    to: To,
    options:
      | {
          readonly decode: (
            fromA: Schema.Type<From>,
            options: ParseOptions,
            ast: AST.Transformation,
            fromI: Schema.Encoded<From>
          ) => Effect.Effect<Schema.Encoded<To>, ParseResult.ParseIssue, RD>
          readonly encode: (
            toI: Schema.Encoded<To>,
            options: ParseOptions,
            ast: AST.Transformation,
            toA: Schema.Type<To>
          ) => Effect.Effect<Schema.Type<From>, ParseResult.ParseIssue, RE>
          readonly strict?: true
        }

declare const transformOrFail: {
  <To extends Schema.Any, From extends Schema.Any, RD, RE>(
    to: To,
    options:
      | {
          readonly decode: (
            fromA: Schema.Type<From>,
            options: ParseOptions,
            ast: AST.Transformation,
            fromI: Schema.Encoded<From>
          ) => Effect.Effect<Schema.Encoded<To>, ParseResult.ParseIssue, RD>
          readonly encode: (
            toI: Schema.Encoded<To>,
            options: ParseOptions,
            ast: AST.Transformation,
            toA: Schema.Type<To>
          ) => Effect.Effect<Schema.Type<From>, ParseResult.ParseIssue, RE>
          readonly strict?: true
        }